81302011

View detailed technical data, stock status, and sourcing information for: 81302011
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-174-4059

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 2.440 inches minimum and 2.500 inches maximum fastener length, 2a thread class, 1.250 inches minimum and 1.440 inches maximum thread length, hexagon 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: 2a
Thread Direction: right-hand
Thread Length: 1.250 inches minimum and 1.440 inches maximum
Fastener Length: 2.440 inches minimum and 2.500 inches maximum
Head Style: hexagon
Head Height: 0.302 inches minimum and 0.323 inches maximum
Width Between Flats: 0.736 inches minimum and 0.750 inches maximum
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Material: nickel alloy 400 or nickel alloy r-405 overall
Material Document And Classification: qq-n-281,cl a fed spec 1st material response or qq-n-281,cl b fed spec 2nd material 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
4491153-A-106	Hexagon Head Cap Screw
522 5489287 REV-ITEM 26	Hexagon Head Cap Screw
522 6640213 REV-ITEM 26	Hexagon Head Cap Screw
600-0163 PART NO. 23	Hexagon Head Cap Screw
81302011	Hexagon Head Cap Screw
MS35311-117	Hexagon Head Cap Screw
SS-522-4491153P	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-174-4059?

The FSCG of the NSN 5305-00-174-4059 is 5305

Does the NSN 5305-00-174-4059 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-00-174-4059 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 5305-00-174-4059 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-174-4059 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 5305-00-174-4059 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963