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5305-00-291-8686

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-00-291-8686
(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
01/01/1963 (63 years ago)

2a thread class, hexagon head style, 1.000 inches nominal fastener length, right-hand thread direction, 0.917 inches minimum and 1.000 inches maximum thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.917 inches minimum and 1.000 inches maximum

Fastener Length

1.000 inches nominal

Head Style

hexagon

Head Height

0.105 inches minimum and 0.120 inches maximum

Width Between Flats

0.305 inches minimum and 0.312 inches maximum

Nominal Thread Diameter

0.190 inches

Thread Quantity Per Inch

24

Material

steel comp 1010 or steel comp 1011 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 fastener

Surface Treatment

cadmium or zinc overall

Thread Series Designator

unc

Replacement For

Part Number Description
5305-00-018-6742 No Name Available 08/01/1982
5305-01-408-8480 No Name Available 01/01/1997

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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
591303 Hexagon Head Cap Screw
9413317 Hexagon Head Cap Screw
A187504 Hexagon Head Cap Screw
SP90C6 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-291-8686?
The FSCG of the NSN 5305-00-291-8686 is 5305
Does the NSN 5305-00-291-8686 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-291-8686 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 5305-00-291-8686 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-291-8686 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 5305-00-291-8686 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963