5305-01-259-2449

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Hexagon Head Cap Screw

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Official Item Classification

Name: Hexagon Head Cap Screw
(NSN) National Stock Number: 5305-01-259-2449
(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: 07/15/1987 (39 years ago)

right-hand thread direction, 5.150 inches minimum and 5.250 inches maximum fastener length, dished hexagon head style, 2a thread class, 5.039 inches minimum and 5.250 inches maximum thread length

Specs & Compatibility

Thread Class

Thread Direction

right-hand

Thread Length

5.039 inches minimum and 5.250 inches maximum

Fastener Length

5.150 inches minimum and 5.250 inches maximum

Head Style

dished hexagon

Head Height

0.195 inches minimum and 0.211 inches maximum

Width Between Flats

0.489 inches minimum and 0.500 inches maximum

Nominal Thread Diameter

0.312 inches

Thread Quantity Per Inch

Material

steel overall

Material Document And Classification

gm 300-m cagec 73342 mfr ref single material response overall

Thread Series Designator

unc

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
23047876	Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-259-2449?

The FSCG of the NSN 5305-01-259-2449 is 5305

Does the NSN 5305-01-259-2449 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-259-2449 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 5305-01-259-2449 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-259-2449 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 5305-01-259-2449 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Jul 15, 1987