5305-01-159-2781

Find complete technical information, availability, and procurement data for: 5305-01-159-2781
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-159-2781

Item Name Code

06660

Assigment Date

08/05/1983 (43 years ago)

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes:screw, assembled washer.

4.37 millimeters minimum and 4.83 millimeters maximum head height, 38.70 millimeters minimum and 41.30 millimeters maximum fastener length, 36.44 millimeters maximum thread length, hexagon 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 Direction: right-hand
Thread Length: 36.44 millimeters maximum
Fastener Length: 38.70 millimeters minimum and 41.30 millimeters maximum
Head Style: hexagon
Head Height: 4.37 millimeters minimum and 4.83 millimeters maximum
Width Between Flats: 9.78 millimeters minimum and 10.00 millimeters maximum
Washer Quantity: 1
Internal Drive Style: w/o internal drive
Thread Pitch In Millimeters: 1.81
Nonmachine Thread Style: gimlet point (type a, ab or ba)
Primary Washer Outside Diameter: 16.57 millimeters minimum and 17.00 millimeters maximum
Primary Washer Style: flat
Primary Washer Material Thickness: 1.20 millimeters minimum and 1.75 millimeters maximum
Nonmachine Nominal Thread Diameter: 6.3 millimeters
Material: steel fastener
Material: steel primary washer
Material Document And Classification: gm 6010-m fmsc11862 mfr ref single material response fastener
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: gm 4435-m code a fscm 11862 mfr ref single treatment response overall

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
11500085	Assembled Washer Screw
11500999	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-01-159-2781?

The FSCG of the NSN 5305-01-159-2781 is 5305

Does the NSN 5305-01-159-2781 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-159-2781 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 5305-01-159-2781 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-159-2781 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 5305-01-159-2781 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Aug 5, 1983