5305-01-353-4552

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Hexagon Head Cap Screw

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Official Item Classification

Name: Hexagon Head Cap Screw
(NSN) National Stock Number: 5305-01-353-4552
(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: 02/11/1992 (34 years ago)

1.250 inches nominal fastener length, hexagon head style, right-hand thread direction, 3a thread class, 1.150 inches nominal thread length

Specs & Compatibility

Thread Class

Thread Direction

right-hand

Thread Length

1.150 inches nominal

Fastener Length

1.250 inches nominal

Head Style

hexagon

Head Height

0.156 inches minimum and 0.163 inches maximum

Width Between Flats

0.375 inches minimum and 0.437 inches maximum

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

Part Name Assigned By Controlling Agency

screw,cap,hexagon head

Material

nickel alloy 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
0.250 X 20 UNC-3A X 1.250 NICUAL	Hexagon Head Cap Screw
M1222RN4C320NCNN	Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-353-4552?

The FSCG of the NSN 5305-01-353-4552 is 5305

Does the NSN 5305-01-353-4552 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-353-4552 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 5305-01-353-4552 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-353-4552 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 5305-01-353-4552 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Tue, Feb 11, 1992