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Shoulder Washers

In stock

Shoulder Washers, sometimes known as a Plastic Bush or Step Washer, are commonly used as a bushing to insulate fasteners or shafts within electronic equipment. For this reason, shoulder washers are made from non-conductive materials like Nylon. It is advised to avoid using shoulder bushings in humid environments.

Our extensive plastic shoulder washers range, includes Nylon Shoulder Washer Bushings made from Nylon 6/6 and manufactured to UL94 V2 flame resistance. The nylon sleeve washer range includes;

Screw Insulators (including Metric and Mini options). These are strong and have corrosion resistance - they also provide electrical insulation.

Nylon Shoulder Washers are resistant to many chemicals, as well as being corrosion resistant. They insulate and reduce vibration, and tend to act as a spacer or guide. We also have standard shouldered washer options designed to protect the head of metal screws from electrical contact.

Metric Locking and Sealing Washers are designed to created interference on both the outside diameter of a hex nut, and on the inside diameter of the screw.
Flanged Bushings are suitable for light-load bearings or bushing. They will not rust, corrode or deteriorate - making them highly economical. They act as an electrical insulator by preventing metal-to-metal contact. Low-friction coefficient and can be used as a locator, sleeve, liner or glide.

Our plastic shoulder washer offer also includes a High Temperature Screw Insulator made from UL94 V0 glass-filled Polyphenylene Sulfide (PPS), and black in appearance. It can withstand temperatures up to Temperature: up to 428F.

  • Colors: Natural and Black
  • UL94 V2 and UL94 V0.

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Product SKUs information
Item Code Price range Availability Flange Height Flange Outside Diameter Color Material Inside Diameter Outside Diameter Thickness Buy
MNI-4-8
In production
0.047 in
0.235 in
Natural
Nylon
0.115 in
0.235 in
FB1150A
$0.3167 - $3.7448 In production
0.187 in
0.500 in
Natural
Nylon
0.196 in
0.344 in
MNI-8-32
34000 In stock
0.063 in
0.205 in
Natural
Nylon
0.173 in
0.205 in
FB1650A
$0.8389 - $1.7518 6015 In stock
0.125 in
1.125 in
Natural
Nylon
0.765 in
0.875 in
FB1200A
544 In stock
0.125 in
0.550 in
Natural
Nylon
0.253 in
0.440 in
MNI-5-3
$0.1416 - $0.2299 4000 In stock
0.047 in
0.370 in
Natural
Nylon
0.128 in
0.370 in
MNI-HT-10-6
$0.168 - $0.4342 In production
0.063 in
0.399 in
Black
PPS
0.200 in
0.399 in
MNI-6-12
In production
0.047 in
0.290 in
Natural
Nylon
0.140 in
0.290 in
FB1280A
$0.3375 - $3.9857 7700 In stock
0.062 in
0.562 in
Natural
Nylon
0.258 in
0.317 in
MNI-HT-4-220
$0.168 - $0.4342 15000 In stock
0.040 in
0.215 in
Black
PPS
0.116 in
0.215 in
MNI-6-24
In production
0.047 in
0.290 in
Natural
Nylon
0.140 in
0.290 in
MNI-M2.5-3.6
$0.1231 - $0.2031 In production
0.059 in
0.280 in
Natural
Nylon
0.110 in
0.280 in
MNI-6-32
In production
0.047 in
0.290 in
Natural
Nylon
0.140 in
0.290 in
FB1460A
115 In stock
0.062 in
0.745 in
Natural
Nylon
0.375 in
0.745 in
MNI-6-8
In production
0.047 in
0.290 in
Natural
Nylon
0.140 in
0.290 in
MNI-4-3
In production
0.047 in
0.235 in
Natural
Nylon
0.115 in
0.235 in
MNIM3-3.5
$0.1294 - $0.209 1000 In stock
0.039 in
0.280 in
Natural
Nylon
0.122 in
0.280 in
MNI-8-12
$0.1258 - $0.2034 In production
0.063 in
0.205 in
Natural
Nylon
0.173 in
0.205 in
FB1550A
$0.4854 - $5.7536 10424 In stock
0.094 in
0.750 in
Natural
Nylon
0.385 in
0.625 in
FB1090A
$0.3295 - $3.8894 1600 In stock
0.113 in
0.875 in
Natural
Nylon
0.190 in
0.343 in
  • of 54
Natural Nylon Insulator Washer Shoulder Washer - Outside Diameter 6 mm | 0.235 in; Base Height 3.2 mm | 0.125 in; Base Outside Diameter 3.7 mm | 0.145 in; Compatible Screw Sizes 4M2.5

MNI-4-8


Stock Levels
In production
Attributes
  • Base Height
    0.125 in
  • Base Outside Diameter
    0.145 in
  • Flange Height
    0.047 in
  • Flange Outside Diameter
    0.235 in
  • Inside Diameter
    0.115 in
Natural Nylon Bushing Washer Shoulder Washer - Outside Diameter 8.7 mm | 0.344 in; Base Height 10.3 mm | 0.407 in; Base Outside Diameter 8.7 mm | 0.344 in; Compatible Screw Sizes 10M4

FB1150A

Price Range
$3.7448 - $0.3167

Stock Levels
In production
Attributes
  • Base Height
    0.407 in
  • Base Outside Diameter
    0.344 in
  • Flange Height
    0.187 in
  • Flange Outside Diameter
    0.500 in
  • Inside Diameter
    0.196 in
Natural Nylon Insulator Washer Shoulder Washer - Outside Diameter 5.2 mm | 0.205 in; Base Height 12.7 mm | 0.500 in; Base Outside Diameter 5.2 mm | 0.205 in; Compatible Screw Sizes 8M4

MNI-8-32


Stock Levels
34000 In stock
Attributes
  • Base Height
    0.500 in
  • Base Outside Diameter
    0.205 in
  • Flange Height
    0.063 in
  • Flange Outside Diameter
    0.205 in
  • Inside Diameter
    0.173 in
Natural Nylon Bushing Washer Shoulder Washer - Outside Diameter 22.2 mm | 0.875 in; Base Height 19.1 mm | 0.750 in; Base Outside Diameter 22.2 mm | 0.875 in; Compatible Screw Sizes 1/4M6

FB1650A

Price Range
$1.7518 - $0.8389

Stock Levels
6015 In stock
Attributes
  • Base Height
    0.750 in
  • Base Outside Diameter
    0.875 in
  • Flange Height
    0.125 in
  • Flange Outside Diameter
    1.125 in
  • Inside Diameter
    0.765 in
Natural Nylon Bushing Washer Shoulder Washer - Outside Diameter 11.2 mm | 0.440 in; Base Height 4.2 mm | 0.165 in; Base Outside Diameter 11.2 mm | 0.440 in; Compatible Screw Sizes 1/4M6

FB1200A


Stock Levels
544 In stock
Attributes
  • Base Height
    0.165 in
  • Base Outside Diameter
    0.440 in
  • Flange Height
    0.125 in
  • Flange Outside Diameter
    0.550 in
  • Inside Diameter
    0.253 in
Natural Nylon Insulator Washer Shoulder Washer - Outside Diameter 9.4 mm | 0.370 in; Base Height 1.3 mm | 0.051 in; Base Outside Diameter 6 mm | 0.236 in; Compatible Screw Sizes 5M3

MNI-5-3

Price Range
$0.2299 - $0.1416

Stock Levels
4000 In stock
Attributes
  • Base Height
    0.051 in
  • Base Outside Diameter
    0.236 in
  • Flange Height
    0.047 in
  • Flange Outside Diameter
    0.370 in
  • Inside Diameter
    0.128 in
Black PPS High-Temperature Shoulder Washer - Outside Diameter 10.1 mm | 0.399 in; Base Height 2.4 mm | 0.093 in; Base Outside Diameter 6.6 mm | 0.260 in; Compatible Screw Sizes 10M5

MNI-HT-10-6

Price Range
$0.4342 - $0.168

Stock Levels
In production
Attributes
  • Base Height
    0.093 in
  • Base Outside Diameter
    0.260 in
  • Flange Height
    0.063 in
  • Flange Outside Diameter
    0.399 in
  • Inside Diameter
    0.200 in
Natural Nylon Insulator Washer Shoulder Washer - Outside Diameter 7.4 mm | 0.290 in; Base Height 4.7 mm | 0.187 in; Base Outside Diameter 4.3 mm | 0.170 in; Compatible Screw Sizes 6M3.5

MNI-6-12


Stock Levels
In production
Attributes
  • Base Height
    0.187 in
  • Base Outside Diameter
    0.170 in
  • Flange Height
    0.047 in
  • Flange Outside Diameter
    0.290 in
  • Inside Diameter
    0.140 in
Natural Nylon Bushing Washer Shoulder Washer - Outside Diameter 8.1 mm | 0.317 in; Base Height 8 mm | 0.313 in; Base Outside Diameter 8.1 mm | 0.317 in; Compatible Screw Sizes 1/4M6

FB1280A

Price Range
$3.9857 - $0.3375

Stock Levels
7700 In stock
Attributes
  • Base Height
    0.313 in
  • Base Outside Diameter
    0.317 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    0.562 in
  • Inside Diameter
    0.258 in
Black PPS High-Temperature Shoulder Washer - Outside Diameter 5.5 mm | 0.215 in; Base Height 5.6 mm | 0.220 in; Base Outside Diameter 3.4 mm | 0.135 in; Compatible Screw Sizes 4M2.5

MNI-HT-4-220

Price Range
$0.4342 - $0.168

Stock Levels
15000 In stock
Attributes
  • Base Height
    0.220 in
  • Base Outside Diameter
    0.135 in
  • Flange Height
    0.040 in
  • Flange Outside Diameter
    0.215 in
  • Inside Diameter
    0.116 in
Natural Nylon Insulator Washer Shoulder Washer - Outside Diameter 7.4 mm | 0.290 in; Base Height 9.5 mm | 0.375 in; Base Outside Diameter 4.3 mm | 0.170 in; Compatible Screw Sizes 6M3.5

MNI-6-24


Stock Levels
In production
Attributes
  • Base Height
    0.375 in
  • Base Outside Diameter
    0.170 in
  • Flange Height
    0.047 in
  • Flange Outside Diameter
    0.290 in
  • Inside Diameter
    0.140 in
Natural Nylon Insulator Washer Shoulder Washer - Outside Diameter 7.1 mm | 0.280 in; Base Height 3.6 mm | 0.142 in; Base Outside Diameter 3.8 mm | 0.150 in; Compatible Screw Sizes 4M2.5

MNI-M2.5-3.6

Price Range
$0.2031 - $0.1231

Stock Levels
In production
Attributes
  • Base Height
    0.142 in
  • Base Outside Diameter
    0.150 in
  • Flange Height
    0.059 in
  • Flange Outside Diameter
    0.280 in
  • Inside Diameter
    0.110 in
Natural Nylon Insulator Washer Shoulder Washer - Outside Diameter 7.4 mm | 0.290 in; Base Height 12.7 mm | 0.500 in; Base Outside Diameter 4.3 mm | 0.170 in; Compatible Screw Sizes 6M3.5

MNI-6-32


Stock Levels
In production
Attributes
  • Base Height
    0.500 in
  • Base Outside Diameter
    0.170 in
  • Flange Height
    0.047 in
  • Flange Outside Diameter
    0.290 in
  • Inside Diameter
    0.140 in
Natural Nylon Bushing Washer Shoulder Washer - Outside Diameter 18.9 mm | 0.745 in; Base Height 19.1 mm | 0.750 in; Base Outside Diameter 12.7 mm | 0.500 in; Compatible Screw Sizes 5/16M9

FB1460A


Stock Levels
115 In stock
Attributes
  • Base Height
    0.750 in
  • Base Outside Diameter
    0.500 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    0.745 in
  • Inside Diameter
    0.375 in
Natural Nylon Insulator Washer Shoulder Washer - Outside Diameter 7.4 mm | 0.290 in; Base Height 3.2 mm | 0.125 in; Base Outside Diameter 4.3 mm | 0.170 in; Compatible Screw Sizes 6M3.5

MNI-6-8


Stock Levels
In production
Attributes
  • Base Height
    0.125 in
  • Base Outside Diameter
    0.170 in
  • Flange Height
    0.047 in
  • Flange Outside Diameter
    0.290 in
  • Inside Diameter
    0.140 in
Natural Nylon Insulator Washer Shoulder Washer - Outside Diameter 6 mm | 0.235 in; Base Height 1.1 mm | 0.043 in; Base Outside Diameter 3.7 mm | 0.145 in; Compatible Screw Sizes 4M2.5

MNI-4-3


Stock Levels
In production
Attributes
  • Base Height
    0.043 in
  • Base Outside Diameter
    0.145 in
  • Flange Height
    0.047 in
  • Flange Outside Diameter
    0.235 in
  • Inside Diameter
    0.115 in
Natural Nylon Insulator Washer Shoulder Washer - Outside Diameter 7.1 mm | 0.280 in; Base Height 3.5 mm | 0.137 in; Base Outside Diameter 3.8 mm | 0.150 in; Compatible Screw Sizes 5M3

MNIM3-3.5

Price Range
$0.209 - $0.1294

Stock Levels
1000 In stock
Attributes
  • Base Height
    0.137 in
  • Base Outside Diameter
    0.150 in
  • Flange Height
    0.039 in
  • Flange Outside Diameter
    0.280 in
  • Inside Diameter
    0.122 in
Natural Nylon Insulator Washer Shoulder Washer - Outside Diameter 5.2 mm | 0.205 in; Base Height 4.7 mm | 0.187 in; Base Outside Diameter 5.2 mm | 0.205 in; Compatible Screw Sizes 8M4

MNI-8-12

Price Range
$0.2034 - $0.1258

Stock Levels
In production
Attributes
  • Base Height
    0.187 in
  • Base Outside Diameter
    0.205 in
  • Flange Height
    0.063 in
  • Flange Outside Diameter
    0.205 in
  • Inside Diameter
    0.173 in
Natural Nylon Bushing Washer Shoulder Washer - Outside Diameter 15.9 mm | 0.625 in; Base Height 12.7 mm | 0.500 in; Base Outside Diameter 15.9 mm | 0.625 in; Compatible Screw Sizes 3/8M9

FB1550A

Price Range
$5.7536 - $0.4854

Stock Levels
10424 In stock
Attributes
  • Base Height
    0.500 in
  • Base Outside Diameter
    0.625 in
  • Flange Height
    0.094 in
  • Flange Outside Diameter
    0.750 in
  • Inside Diameter
    0.385 in
Natural Nylon Bushing Washer Shoulder Washer - Outside Diameter 8.7 mm | 0.343 in; Base Height 8.3 mm | 0.325 in; Base Outside Diameter 9.5 mm | 0.375 in; Compatible Screw Sizes 8M4

FB1090A

Price Range
$3.8894 - $0.3295

Stock Levels
1600 In stock
Attributes
  • Base Height
    0.325 in
  • Base Outside Diameter
    0.375 in
  • Flange Height
    0.113 in
  • Flange Outside Diameter
    0.875 in
  • Inside Diameter
    0.190 in