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Circular Connector Caps

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Circular Connect Caps are a cost-effective way to protect connectors during transit and storage. They prevent the connection from the ingress of dirt, dust and moisture.

The caps have a flanged design that allows for easy fitting and removal by hand. The caps can be used to protect connectors with standard threads, with options suitable for electrical connectors per Military Specifications 90376.

  • Material: Low-Density Polyethylene (LDPE)
  • Color: Red

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56 results
Product SKUs information
Item Code Price range Availability Military Specification View
H1A $0.0693 - $0.8675 28461 In stock
$0.1238 - $1.5454 4000 In stock
$0.0926 - $1.1566 566 In stock
$0.0334 - $0.4415 1242 In stock
$0.075 - $0.9888 6000 In stock
$0.1076 - $1.508 19800 In stock
$0.0388 - $0.5131 56115 In stock
FC23RA $0.0487 - $0.6452 2148 In stock
MS90376-23R
FC714A $0.0569 - $0.751 4597 In stock
MS90376-14R
$0.0692 - $1.1117 63000 In stock
MS90376-22R
FC732A $0.1788 - $2.8762 5400 In stock
MS90376-32R
$0.0418 - $0.5536 49474 In stock
FC718A $0.0566 - $0.9065 7500 In stock
MS90376-18R
$0.3234 - $5.1927 2235 In stock
MS90376-40R
$0.1169 - $1.5454 22000 In stock
$0.1313 - $1.7413 22500 In stock
$0.035 - $0.4618 38962 In stock
$0.0593 - $0.7851 51940 In stock
FC712A $0.0378 - $0.5318 16500 In stock
MS90376-12R
$0.0367 - $0.4852 8000 In stock
  • of 3
Parallel Protection Plug - Yellow ; 26.2 mm | 1.030 in ; Fitting Height 15.9 mm | 0.625 in

H1A

Price Range
$0.8675 - $0.0693

Stock Levels
28461 In stock
Attributes
  • Overall Height
    0.687 in
  • Color
    Yellow
  • Fitting Style
    Push-Fit
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
Parallel Protection Plug - Yellow ; 38.9 mm | 1.530 in ; Fitting Height 15.9 mm | 0.625 in

H1-1/2A

Price Range
$1.5454 - $0.1238

Stock Levels
4000 In stock
Attributes
  • Overall Height
    0.687 in
  • Color
    Yellow
  • Fitting Style
    Push-Fit
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
Parallel Protection Plug - Yellow ; 35.7 mm | 1.407 in ; Fitting Height 15.9 mm | 0.625 in

H1-3/8A

Price Range
$1.1566 - $0.0926

Stock Levels
566 In stock
Attributes
  • Overall Height
    0.687 in
  • Color
    Yellow
  • Fitting Style
    Push-Fit
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
Circular Connector Cap - Compatible Thread Sizes 1/4 in ;

D1/4A

Price Range
$0.4415 - $0.0334

Stock Levels
1242 In stock
Attributes
  • Color
    Red
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
Circular Connector Cap - Compatible Thread Sizes 1-3/16 in ;

D1-3/16A

Price Range
$0.9888 - $0.075

Stock Levels
6000 In stock
Attributes
  • Color
    Red
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
Circular Connector Cap - Compatible Thread Sizes 1-7/16 in ;

D1-7/16A

Price Range
$1.508 - $0.1076

Stock Levels
19800 In stock
Attributes
  • Color
    Red
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
Circular Connector Cap - Compatible Thread Sizes 5/8 in ;

D5/8A

Price Range
$0.5131 - $0.0388

Stock Levels
56115 In stock
Attributes
  • Color
    Red
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
Circular Connector Cap - Compatible Thread Sizes 1-7/16 in ; MS90376-23R

FC23RA

Price Range
$0.6452 - $0.0487

Stock Levels
2148 In stock
Attributes
  • Color
    Red
  • Fitting Style
    Push-Fit
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
  • Military Specification
    MS90376-23R
Circular Connector Cap - Compatible Thread Sizes 7/8 in ; MS90376-14R

FC714A

Price Range
$0.751 - $0.0569

Stock Levels
4597 In stock
Attributes
  • Color
    Red
  • Fitting Style
    Push-Fit
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
  • Military Specification
    MS90376-14R
Circular Connector Cap - Compatible Thread Sizes 1-3/8 in ; MS90376-22R

FC722A

Price Range
$1.1117 - $0.0692

Stock Levels
63000 In stock
Attributes
  • Color
    Red
  • Fitting Style
    Push-Fit
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
  • Military Specification
    MS90376-22R
Circular Connector Cap - Compatible Thread Sizes 2.000 in ; MS90376-32R

FC732A

Price Range
$2.8762 - $0.1788

Stock Levels
5400 In stock
Attributes
  • Color
    Red
  • Fitting Style
    Push-Fit
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
  • Military Specification
    MS90376-32R
Circular Connector Cap - Compatible Thread Sizes 3/4 in ;

D3/4A

Price Range
$0.5536 - $0.0418

Stock Levels
49474 In stock
Attributes
  • Color
    Red
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
Circular Connector Cap - Compatible Thread Sizes 1-1/8 in ; MS90376-18R

FC718A

Price Range
$0.9065 - $0.0566

Stock Levels
7500 In stock
Attributes
  • Color
    Red
  • Fitting Style
    Push-Fit
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
  • Military Specification
    MS90376-18R
Circular Connector Cap - Compatible Thread Sizes 2-1/2 in ; MS90376-40R

FC740A

Price Range
$5.1927 - $0.3234

Stock Levels
2235 In stock
Attributes
  • Color
    Red
  • Fitting Style
    Push-Fit
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
  • Military Specification
    MS90376-40R
Circular Connector Cap - Compatible Thread Sizes 1-1/2 in ;

D1-1/2A

Price Range
$1.5454 - $0.1169

Stock Levels
22000 In stock
Attributes
  • Color
    Red
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
Circular Connector Cap - Compatible Thread Sizes 1-3/4 in ;

D1-3/4A

Price Range
$1.7413 - $0.1313

Stock Levels
22500 In stock
Attributes
  • Color
    Red
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
Circular Connector Cap - Compatible Thread Sizes 3/8 in ;

D3/8A

Price Range
$0.4618 - $0.035

Stock Levels
38962 In stock
Attributes
  • Color
    Red
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
Circular Connector Cap - Compatible Thread Sizes 7/8 in ;

D7/8A

Price Range
$0.7851 - $0.0593

Stock Levels
51940 In stock
Attributes
  • Color
    Red
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
Circular Connector Cap - Compatible Thread Sizes 3/4 in ; MS90376-12R

FC712A

Price Range
$0.5318 - $0.0378

Stock Levels
16500 In stock
Attributes
  • Color
    Red
  • Fitting Style
    Push-Fit
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE
  • Military Specification
    MS90376-12R
Circular Connector Cap - Compatible Thread Sizes 1/2 ; Compatible Thread Standard UNEF ; No MS Spec

D1/2A

Price Range
$0.4852 - $0.0367

Stock Levels
8000 In stock
Attributes
  • Color
    Red
  • Full Material
    Low-Density Polyethylene
  • Material
    LDPE