3176207-C-663

View detailed technical data, stock status, and sourcing information for: 3176207-C-663
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-454-3159

Item Name Code

16282

Assigment Date

03/26/1998 (28 years ago)

A clip formed from resilient wire stock into a shape resembling the letter u, with each of the prongs having one or more curvatures along its length. It is designed to hold itself in place by its inherent spring action when fitted into the groove(s) or notch(es) of the item upon which a part, shaft, pin, or a like item is to be held in place. See also pin, lock; ring, retaining and clip, spring tension. For items specifically designed for aviaton, see clip(1), retaining, aviation.

1.250 inches minimum and 1.940 inches maximum thread length, 3a thread class, 1.960 inches minimum and 2.000 inches maximum fastener length, flat chamfer head style, right-hand thread direction

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: 1.250 inches minimum and 1.940 inches maximum
Fastener Length: 1.960 inches minimum and 2.000 inches maximum
Head Style: flat chamfer
Head Diameter: 0.550 inches minimum and 0.562 inches maximum
Head Height: 0.368 inches minimum and 0.375 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.312 inches nominal
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 80000 pounds per square inch
Special Features: self-locking
Material: steel corrosion resisting overall
Material Document And Classification: ff-s-86 fed std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec 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
3176207-C-663	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-454-3159?

The FSCG of the NSN 5305-01-454-3159 is 5305

Does the NSN 5305-01-454-3159 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-454-3159 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 5305-01-454-3159 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-454-3159 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 5305-01-454-3159 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Thu, Mar 26, 1998