T981-4-4

View detailed technical data, stock status, and sourcing information for: T981-4-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-131-2902

Item Name Code

06659

Assigment Date

05/07/1982 (44 years ago)

A bolt, machine on which has been assembled one or more nonremovable washers. See also screw, assembled washer.

0.660 inches minimum and 0.690 inches maximum fastener length, 0.400 inches minimum and 0.450 inches maximum thread length, right-hand thread direction, hexagon head style, 3a thread class

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: 0.400 inches minimum and 0.450 inches maximum
Fastener Length: 0.660 inches minimum and 0.690 inches maximum
Head Style: hexagon
Head Height: 0.125 inches minimum and 0.140 inches maximum
Width Between Flats: 0.430 inches minimum and 0.439 inches maximum
Washer Quantity: 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Primary Washer Outside Diameter: 0.495 inches minimum and 0.520 inches maximum
Primary Washer Style: flat
Primary Washer Material Thickness: 0.028 inches minimum and 0.036 inches maximum
Material: aluminum alloy 2024 primary washer
Material: titanium alloy fastener
Material Document And Classification: nas621 assn std single material response fastener
Material Document And Classification: qq-a-250/5,t3 or t4 fed spec single material response primary washer
Surface Treatment: anodize or chromate primary washer
Surface Treatment Document And Classification: mil-c-5541 mil spec 2nd treatment response primary washer
Thread Series Designator: unjf

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
111026-4-4	Assembled Washer Bolt
3M881V-4-4	Assembled Washer Bolt
D16175-12-4	Assembled Washer Bolt
SC2670-4-4	Assembled Washer Bolt
T981-4-4	Assembled Washer Bolt
VDP0001-4	Assembled Washer Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-131-2902?

The FSCG of the NSN 5306-01-131-2902 is 5306

Does the NSN 5306-01-131-2902 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5306-01-131-2902 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 5306-01-131-2902 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-131-2902 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 5306-01-131-2902 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, May 7, 1982