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91257A595 Hexagon Head Cap Screw

5305-01-644-9832

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Official Item Classification

Name
Hexagon Head Cap Screw
Part Number
91257A595
(NSN) National Stock Number
5305-01-644-9832
(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
05/29/2015 (11 years ago)

0.8750 inches minimum and 1.1875 inches maximum thread length, right-hand thread direction, undercut hexagon head style, 3.00 inches nominal fastener length, 0.2188 inches nominal head height

Specs & Compatibility

Thread Direction

right-hand

Thread Length

0.8750 inches minimum and 1.1875 inches maximum

Fastener Length

3.00 inches nominal

Head Style

undercut hexagon

Head Height

0.2188 inches nominal

Width Between Flats

0.5 inches nominal

Nominal Thread Diameter

0.3125 inches

Thread Quantity Per Inch

18

Part Name Assigned By Controlling Agency

high-strength grade 8 steel cap screw

Special Features

package quantity:25

Material

steel overall

Surface Treatment

zinc overall

Thread Series Designator

unc

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

0018257

Related Hardware Products

Part Number Description
91257A595 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-644-9832?
The FSCG of the NSN 5305-01-644-9832 is 5305
Does the NSN 5305-01-644-9832 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-644-9832 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 5305-01-644-9832 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-644-9832 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 5305-01-644-9832 was assigned to the Federal Catalog?
It was assigned 11 years ago, on Fri, May 29, 2015