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5305-01-059-0121

Socket Head Cap Screw

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Official Item Classification

Name
Socket Head Cap Screw
(NSN) National Stock Number
5305-01-059-0121
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
16282
(FIIG) Federal Item Identification Guide
A003B0
Date
04/06/1978 (48 years ago)

2.300 inches nominal fastener length, 2.250 inches nominal thread length, double hexagon extended washer head style, right-hand thread direction, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

2.250 inches nominal

Fastener Length

2.300 inches nominal

Head Style

double hexagon extended washer

Head Height

0.620 inches nominal

Width Between Flats

0.640 inches nominal

Extended Washer Diameter

0.880 inches nominal

Extended Washer Thickness

0.220 inches nominal

Nominal Thread Diameter

0.625 inches

Width Across Flats

0.640 inches nominal

Thread Quantity Per Inch

11

Material

steel comp 1030 or steel comp 1031 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1045 overall

Material Document And Classification

qq-s-631 fed spec all material responses overall

Thread Series Designator

unc

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

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

Hazardous Metals Indicator
N

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

0016282

Related Hardware Products

Part Number Description
11664479 Socket Head Cap Screw
5305010590121 Socket Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-059-0121?
The FSCG of the NSN 5305-01-059-0121 is 5305
Does the NSN 5305-01-059-0121 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-059-0121 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 5305-01-059-0121 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-059-0121 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 5305-01-059-0121 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Thu, Apr 6, 1978