5305-01-378-7940

Find complete technical information, availability, and procurement data for: 5305-01-378-7940
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-378-7940

Item Name Code

16282

Assigment Date

08/21/1993 (33 years ago)

An item specifically designed to be placed around that portion of a connector,receptable,electrical or connector,plug,electrical which contains the facilities for attaching wires or cables. It may be designed to provide the nesessary accomodations between an electrical cable clamping device and an electrical connector shell or it may include the clamping device. It may be used for shielding against electrical interference, mechanical injury or physical damage due to environmental conditions.

1.750 inches nominal thread length, right-hand thread direction, 3a thread class, 2.440 inches minimum and 2.500 inches maximum fastener length, flat chamfer head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 1.750 inches nominal
Fastener Length: 2.440 inches minimum and 2.500 inches maximum
Head Style: flat chamfer
Head Diameter: 0.921 inches minimum and 0.937 inches maximum
Head Height: 0.616 inches minimum and 0.625 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.625 inches
Width Across Flats: 0.500 inches minimum and 0.505 inches maximum
Thread Quantity Per Inch: 11
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 45.0 rockwell c maximum overall
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches fastener
Surface Finish: 32.0 microinches threads
Color: bronze or olive drab overall
Material: steel overall
Material Document And Classification: fed 66 fed std all material responses overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astm b633 ty2 cl3 assn std single treatment response overall
Thread Series Designator: unc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
12387270-170	Socket Head Cap Screw
5305013787940	Socket Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-378-7940?

The FSCG of the NSN 5305-01-378-7940 is 5305

Does the NSN 5305-01-378-7940 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-378-7940 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-01-378-7940 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-378-7940 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-378-7940 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sat, Aug 21, 1993