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Circular Connector Caps

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Circular connector caps are a cost-effective way to protect electrical connectors during transit and storage from dirt, dust or moisture. The flanged caps are designed to be easily applied or removed by hand.

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Product SKUs information
Quick View Item Code Price range Availability Compatible Thread Sizes (All) Overall Height
D1-1/8A
$0.0772 - $1.0886 199 In stock
1-1/8
0.625 in
D15/16A
$0.0711 - $1.0007 48874 In stock
15/16
0.609 in
D3/8A
$0.0378 - $0.5326 5094 In stock
3/8
0.562 in
FC19RA
$0.0584 - $0.8214 4100 In stock
1-3/16
0.597 in
FC712A
$0.0435 - $0.6133 3400 In stock
3/4
0.562 in
FC720A
$0.0633 - $1.1855 2759 In stock
1-1/4
0.597 in
FC728A
$0.1023 - $1.919 153 In stock
1-3/4
0.597 in
FC744A
$0.3313 - $6.1696 880 In stock
2-3/4
0.635 in
D1-1/2A
$0.1269 - $1.7827 4698 In stock
1-1/2
0.625 in
D1-3/4A
$0.1513 - $2.0087 In production
1-3/4
0.625 in
D1A
$0.0711 - $1.0007 In production
1
0.562 in
D7/8A
$0.0642 - $0.9057 2069 In stock
7/8
0.553 in
FC708A
$0.0383 - $0.7192 5000 In stock
1/2
0.562 in
FC716A
$0.0681 - $0.9577 2900 In stock
1
0.562 in
FC724A
$0.0914 - $1.7145 863 In stock
1-1/2
0.597 in
FC736A
$0.2407 - $4.4837 800 In stock
2-1/4
0.635 in
D1/2A
$0.0423 - $0.5595 7330 In stock
1/2
0.562 in
D1-1/4A
$0.0934 - $1.2357 3493 In stock
1-1/4
0.625 in
D1-3/8A
$0.0947 - $1.3343 2355 In stock
1-3/8
0.625 in
FC710A
$0.0407 - $0.5703 6005 In stock
5/8
0.562 in
D1/4A
$0.0364 - $0.5093 129 In stock
1/4
0.562 in
D1-3/16A
$0.0862 - $1.1406 2160 In stock
1-3/16
0.625 in
D1-7/16A
$0.1239 - $1.7397 2895 In stock
1-7/16
0.625 in
D5/8A
$0.042 - $0.5918 47 In stock
5/8
0.562 in
FC23RA
$0.0528 - $0.7443 2337 In stock
1-7/16
0.597 in
    • of 2
Circular Connector Cap - Compatible Thread Sizes 1-1/8 ; Compatible Thread Standard UNEF ; No MS Spec

D1-1/8A

Price Range
$1.0886 - $0.0772

Stock Levels
199 In stock
Attributes
  • Overall Height
    0.625 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1-1/8
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
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Circular Connector Cap - Compatible Thread Sizes 15/16 ; Compatible Thread Standard UNEF ; No MS Spec

D15/16A

Price Range
$1.0007 - $0.0711

Stock Levels
48874 In stock
Attributes
  • Overall Height
    0.609 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    15/16
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
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Circular Connector Cap - Compatible Thread Sizes 3/8 ; Compatible Thread Standard UNEF ; No MS Spec

D3/8A

Price Range
$0.5326 - $0.0378

Stock Levels
5094 In stock
Attributes
  • Overall Height
    0.562 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    3/8
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
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Circular Connector Cap - Compatible Thread Sizes 1-3/16 ; Compatible Thread Standard UNEF ; MS90376-19R

FC19RA

Price Range
$0.8214 - $0.0584

Stock Levels
4100 In stock
Attributes
  • Overall Height
    0.597 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1-3/16
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
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Circular Connector Cap - Compatible Thread Sizes 3/4 ; Compatible Thread Standard UNEF ; MS90376-12R

FC712A

Price Range
$0.6133 - $0.0435

Stock Levels
3400 In stock
Attributes
  • Overall Height
    0.562 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    3/4
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
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Circular Connector Cap - Compatible Thread Sizes 1-1/4 ; Compatible Thread Standard UNEF ; MS90376-20R

FC720A

Price Range
$1.1855 - $0.0633

Stock Levels
2759 In stock
Attributes
  • Overall Height
    0.597 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1-1/4
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
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Circular Connector Cap - Compatible Thread Sizes 1-3/4 ; Compatible Thread Standard UNEF ; MS90376-28R

FC728A

Price Range
$1.919 - $0.1023

Stock Levels
153 In stock
Attributes
  • Overall Height
    0.597 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1-3/4
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
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Circular Connector Cap - Compatible Thread Sizes 2-3/4 ; Compatible Thread Standard UNEF ; MS90376-44R

FC744A

Price Range
$6.1696 - $0.3313

Stock Levels
880 In stock
Attributes
  • Overall Height
    0.635 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    2-3/4
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
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Circular Connector Cap - Compatible Thread Sizes 1-1/2 ; Compatible Thread Standard UNEF ; No MS Spec

D1-1/2A

Price Range
$1.7827 - $0.1269

Stock Levels
4698 In stock
Attributes
  • Overall Height
    0.625 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1-1/2
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
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Circular Connector Cap - Compatible Thread Sizes 1-3/4 ; Compatible Thread Standard UNEF ; No MS Spec

D1-3/4A

Price Range
$2.0087 - $0.1513

Stock Levels
In production
Attributes
  • Overall Height
    0.625 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1-3/4
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >
Circular Connector Cap - Compatible Thread Sizes 1 ; Compatible Thread Standard UNEF ; No MS Spec

D1A

Price Range
$1.0007 - $0.0711

Stock Levels
In production
Attributes
  • Overall Height
    0.562 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >
Circular Connector Cap - Compatible Thread Sizes 7/8 ; Compatible Thread Standard UNEF ; No MS Spec

D7/8A

Price Range
$0.9057 - $0.0642

Stock Levels
2069 In stock
Attributes
  • Overall Height
    0.553 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    7/8
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >
Circular Connector Cap - Compatible Thread Sizes 1/2 ; Compatible Thread Standard UNEF ; MS90376-8R

FC708A

Price Range
$0.7192 - $0.0383

Stock Levels
5000 In stock
Attributes
  • Overall Height
    0.562 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1/2
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >
Circular Connector Cap - Compatible Thread Sizes 1 ; Compatible Thread Standard UNEF ; MS90376-16R

FC716A

Price Range
$0.9577 - $0.0681

Stock Levels
2900 In stock
Attributes
  • Overall Height
    0.562 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >
Circular Connector Cap - Compatible Thread Sizes 1-1/2 ; Compatible Thread Standard UNEF ; MS90376-24R

FC724A

Price Range
$1.7145 - $0.0914

Stock Levels
863 In stock
Attributes
  • Overall Height
    0.597 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1-1/2
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >
Circular Connector Cap - Compatible Thread Sizes 2-1/4 ; Compatible Thread Standard UNEF ; MS90376-36R

FC736A

Price Range
$4.4837 - $0.2407

Stock Levels
800 In stock
Attributes
  • Overall Height
    0.635 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    2-1/4
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >
Circular Connector Cap - Compatible Thread Sizes 1/2 ; Compatible Thread Standard UNEF ; No MS Spec

D1/2A

Price Range
$0.5595 - $0.0423

Stock Levels
7330 In stock
Attributes
  • Overall Height
    0.562 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1/2
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >
Circular Connector Cap - Compatible Thread Sizes 1-1/4 ; Compatible Thread Standard UNEF ; No MS Spec

D1-1/4A

Price Range
$1.2357 - $0.0934

Stock Levels
3493 In stock
Attributes
  • Overall Height
    0.625 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1-1/4
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >
Circular Connector Cap - Compatible Thread Sizes 1-3/8 ; Compatible Thread Standard UNEF ; No MS Spec

D1-3/8A

Price Range
$1.3343 - $0.0947

Stock Levels
2355 In stock
Attributes
  • Overall Height
    0.625 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1-3/8
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >
Circular Connector Cap - Compatible Thread Sizes 5/8 ; Compatible Thread Standard UNEF ; MS90376-10R

FC710A

Price Range
$0.5703 - $0.0407

Stock Levels
6005 In stock
Attributes
  • Overall Height
    0.562 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    5/8
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >
Circular Connector Cap - Compatible Thread Sizes 1/4 ; Compatible Thread Standard UNEF ; No MS Spec

D1/4A

Price Range
$0.5093 - $0.0364

Stock Levels
129 In stock
Attributes
  • Overall Height
    0.562 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1/4
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >
Circular Connector Cap - Compatible Thread Sizes 1-3/16 ; Compatible Thread Standard UNEF ; No MS Spec

D1-3/16A

Price Range
$1.1406 - $0.0862

Stock Levels
2160 In stock
Attributes
  • Overall Height
    0.625 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1-3/16
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >
Circular Connector Cap - Compatible Thread Sizes 1-7/16 ; Compatible Thread Standard UNEF ; No MS Spec

D1-7/16A

Price Range
$1.7397 - $0.1239

Stock Levels
2895 In stock
Attributes
  • Overall Height
    0.625 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1-7/16
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >
Circular Connector Cap - Compatible Thread Sizes 5/8 ; Compatible Thread Standard UNEF ; No MS Spec

D5/8A

Price Range
$0.5918 - $0.042

Stock Levels
47 In stock
Attributes
  • Overall Height
    0.562 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    5/8
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >
Circular Connector Cap - Compatible Thread Sizes 1-7/16 ; Compatible Thread Standard UNEF ; MS90376-23R

FC23RA

Price Range
$0.7443 - $0.0528

Stock Levels
2337 In stock
Attributes
  • Overall Height
    0.597 in
  • Colour
    Red
  • Compatible Thread Sizes (All)
    1-7/16
  • Compatible Thread Standard (All)
    UNEF
  • Fitting Style
    Push Fit
Quick View
View Product >

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Product facets

Product Range Caps

Product Set End Caps

Material LDPE Plastic