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5305-01-718-0571

Socket Head Cap Screw

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Official Item Classification

Name
Socket Head Cap Screw
(NSN) National Stock Number
5305-01-718-0571
(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
02/08/2024 (2 years ago)

right-hand thread direction, 3a thread class, 0.250 inches nominal thread length, 1.75 inches nominal fastener length, pan no. 2 head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.250 inches nominal

Fastener Length

1.75 inches nominal

Head Style

pan no. 2

Head Diameter

0.735 inches minimum and 0.750 inches maximum

Head Height

0.492 inches minimum and 0.500 inches maximum

Locking Feature

self-locking locking feature

Internal Drive Style

hexagon

Nominal Thread Diameter

0.500 inches

Width Across Flats

0.375 inches nominal

Thread Quantity Per Inch

13

Part Name Assigned By Controlling Agency

socket head cap screw

Material

steel comp 304 and steel comp 305 or steel overall

Material Document And Classification

astm f837 american society for testing and materials (astm) single material response overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

astm f837 assn std single treatment response overall

Thread Series Designator

unc

Specification/Standard Data

91349-mil-dtl--1222 government specification

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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
M1222SN8C328SBLN Socket Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-718-0571?
The FSCG of the NSN 5305-01-718-0571 is 5305
Does the NSN 5305-01-718-0571 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-718-0571 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 5305-01-718-0571 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-718-0571 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 5305-01-718-0571 was assigned to the Federal Catalog?
It was assigned 2 years ago, on Thu, Feb 8, 2024