5305-01-591-9049

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Hexagon Head Cap Screw

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Official Item Classification

Name: Hexagon Head Cap Screw
(NSN) National Stock Number: 5305-01-591-9049
(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: 02/15/2011 (15 years ago)

18.0 millimeters nominal fastener length, 3.9 millimeters minimum and 4.2 millimeters maximum head height, right-hand thread direction, 9.8 millimeters minimum and 10.0 millimeters maximum width between flats, hexagon head style

Specs & Compatibility

Thread Direction

right-hand

Fastener Length

18.0 millimeters nominal

Head Style

hexagon

Head Height

3.9 millimeters minimum and 4.2 millimeters maximum

Width Between Flats

9.8 millimeters minimum and 10.0 millimeters maximum

End Item Identification

6115-01-561-7455 generator set, diesel engine

Nominal Thread Diameter

6.0 millimeters

Thread Pitch In Millimeters

1.0

External Thread Tolerance Class

Part Name Assigned By Controlling Agency

screw, cap, hexagon head

Material

copper alloy overall

Thread Series Designator

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
A029F553	Hexagon Head Cap Screw
AES07M06A018UB5A11	Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-591-9049?

The FSCG of the NSN 5305-01-591-9049 is 5305

Does the NSN 5305-01-591-9049 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-01-591-9049 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 5305-01-591-9049 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-591-9049 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 5305-01-591-9049 was assigned to the Federal Catalog?

It was assigned 15 years ago, on Tue, Feb 15, 2011