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AB44AA168 Socket Head Cap Screw

5305-00-421-4829

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Official Item Classification

Name
Socket Head Cap Screw
Part Number
AB44AA168
(NSN) National Stock Number
5305-00-421-4829
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
16282
(FIIG) Federal Item Identification Guide
A003B0
Date
12/09/1970 (55 years ago)

0.734 inches minimum and 0.766 inches maximum fastener length, 0.663 inches minimum and 0.766 inches maximum thread length, right-hand thread direction, flat chamfer head style, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.663 inches minimum and 0.766 inches maximum

Fastener Length

0.734 inches minimum and 0.766 inches maximum

Head Style

flat chamfer

Head Diameter

0.365 inches minimum and 0.375 inches maximum

Head Height

0.244 inches minimum and 0.250 inches maximum

Internal Drive Style

hexagon

Nominal Thread Diameter

0.250 inches

Width Across Flats

0.188 inches nominal

Thread Quantity Per Inch

28

Material

steel overall

Material Document And Classification

vg00-3,fscm 10855 mfr ref single material response 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.

Source of Supply Code

S9I

Pseudo Item Name Code

0016282

Related Hardware Products

Part Number Description
AB44AA168 Socket Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-421-4829?
The FSCG of the NSN 5305-00-421-4829 is 5305
Does the NSN 5305-00-421-4829 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-421-4829 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 5305-00-421-4829 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-421-4829 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 5305-00-421-4829 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Dec 9, 1970