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5305-01-591-4538

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-01-591-4538
(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
01/26/2011 (15 years ago)

right-hand thread direction, 15.7 millimeters nominal thread length, hexagon head style, 4.2 millimeters maximum head height, 16.0 millimeters nominal fastener length

Specs & Compatibility

Thread Direction

right-hand

Thread Length

15.7 millimeters nominal

Fastener Length

16.0 millimeters nominal

Head Style

hexagon

Head Height

4.2 millimeters maximum

Width Between Flats

10.0 millimeters maximum

End Item Identification

fire pump, p100

Nominal Thread Diameter

6.0 millimeters

Thread Pitch In Millimeters

1.0

External Thread Tolerance Class

6g

Part Name Assigned By Controlling Agency

hhcs - m6-1.00 x 16mm, sst

Material

steel corrosion resisting overall

Thread Series Designator

m

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
5400804 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-591-4538?
The FSCG of the NSN 5305-01-591-4538 is 5305
Does the NSN 5305-01-591-4538 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-591-4538 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 5305-01-591-4538 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-591-4538 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 5305-01-591-4538 was assigned to the Federal Catalog?
It was assigned 15 years ago, on Wed, Jan 26, 2011