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5305-01-421-4335

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-01-421-4335
(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
11/08/1995 (30 years ago)

right-hand thread direction, 1.000 inches nominal thread length, 2a thread class, hexagon head style, 2.500 inches nominal fastener length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.000 inches nominal

Fastener Length

2.500 inches nominal

Head Style

hexagon

Head Height

0.226 inches minimum and 0.243 inches maximum

Width Between Flats

0.544 inches minimum and 0.562 inches maximum

End Item Identification

armored multi-purpose vehicle (ampv)

Nominal Thread Diameter

0.375 inches

Thread Quantity Per Inch

16

Material

steel overall

Material Document And Classification

astm a 354 gr bd fed spec single material response overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-4116, ty 2 cl 3 fed spec single treatment response overall

Thread Series Designator

unc

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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
375-16 UNC X 2. 50 GRADE 8 Hexagon Head Cap Screw
5D3-05062 IT NO 184 Hexagon Head Cap Screw
B1821AH038C250N Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-421-4335?
The FSCG of the NSN 5305-01-421-4335 is 5305
Does the NSN 5305-01-421-4335 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-421-4335 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 5305-01-421-4335 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-421-4335 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 5305-01-421-4335 was assigned to the Federal Catalog?
It was assigned 30 years ago, on Wed, Nov 8, 1995