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5305-00-622-9237

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-00-622-9237
(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
03/01/1975 (51 years ago)

0.625 inches nominal fastener length, 2a thread class, hexagon head style, 0.375 inches minimum and 0.625 inches maximum thread length, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.375 inches minimum and 0.625 inches maximum

Fastener Length

0.625 inches nominal

Head Style

hexagon

Head Height

0.150 inches minimum and 0.163 inches maximum

Width Between Flats

0.428 inches minimum and 0.437 inches maximum

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

20

Surface Treatment

passivate overall

Thread Series Designator

unc

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.

Source of Supply Code

S9I

Pseudo Item Name Code

0018257

Related Hardware Products

Part Number Description
330C889A4020D10 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-622-9237?
The FSCG of the NSN 5305-00-622-9237 is 5305
Does NSN 5305-00-622-9237 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 5305-00-622-9237 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-622-9237 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 5305-00-622-9237 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Sat, Mar 1, 1975