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5305-01-183-3328

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-01-183-3328
(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
07/04/1984 (42 years ago)

1.250 inches nominal fastener length, 0.933 inches minimum and 0.938 inches maximum thread length, right-hand thread direction, hexagon head style, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.933 inches minimum and 0.938 inches maximum

Fastener Length

1.250 inches nominal

Head Style

hexagon

Head Height

0.226 inches minimum and 0.243 inches maximum

Width Between Flats

0.551 inches minimum and 0.562 inches maximum

Nominal Thread Diameter

0.375 inches

Thread Quantity Per Inch

24

Hardness Rating

95.0 rockwell b maximum overall

Material Document And Classification

mil-s-7720 mil spec single material response or qq-s-764 fed spec single material response overall

Surface Treatment

passivate overall

Thread Series Designator

unf

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
330C889A6024D20 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-183-3328?
The FSCG of the NSN 5305-01-183-3328 is 5305
Does NSN 5305-01-183-3328 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 5305-01-183-3328 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-183-3328 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 5305-01-183-3328 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Wed, Jul 4, 1984