5305-01-658-6958

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Hexagon Head Cap Screw

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Official Item Classification

Name: Hexagon Head Cap Screw
(NSN) National Stock Number: 5305-01-658-6958
(FSG) Federal Supply Group: 53 Hardware and Abrasives
(FSC) Federal Supply Classification: 5305 Screws
(INC) Item Name Code: 18257
(FIIG) Federal Item Identification Guide: A003B0
Date: 10/12/2016 (10 years ago)

1.500 inches nominal fastener length, 0.875 inches nominal thread length, hexagon head style, 2a thread class, right-hand thread direction

Specs & Compatibility

Thread Class

Thread Direction

right-hand

Thread Length

0.875 inches nominal

Fastener Length

1.500 inches nominal

Head Style

hexagon

Head Height

0.195 inches minimum and 0.211 inches maximum

Width Between Flats

0.489 inches minimum and 0.500 inches maximum

End Item Identification

13055121

Nominal Thread Diameter

0.312 inches

Thread Quantity Per Inch

Part Name Assigned By Controlling Agency

screw cap hex (finished hex bolt)

Special Features

plain end - optional-type self-locking

Material

steel uns k04100 overall

Surface Treatment

zinc and chromate overall

Thread Series Designator

unc

Regulatory Compliance

Precious Metals Indicator

Item does not contain precious metal.

Criticality Code

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator

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

Pseudo Item Name Code

0018257

Related Hardware Products

Part Number	Description
AES01C312A50AW9A86	Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-658-6958?

The FSCG of the NSN 5305-01-658-6958 is 5305

Does the NSN 5305-01-658-6958 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-658-6958 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 5305-01-658-6958 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-658-6958 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 5305-01-658-6958 was assigned to the Federal Catalog?

It was assigned 10 years ago, on Wed, Oct 12, 2016