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5305-00-033-3979

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-033-3979
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
06657
(FIIG) Federal Item Identification Guide
A500D0
Date
01/01/1963 (63 years ago)

0.313 inches nominal thread length, right-hand thread direction, 2a thread class, 0.375 inches nominal fastener length, round head style

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.313 inches nominal

Fastener Length

0.375 inches nominal

Head Style

round

Head Diameter

0.287 inches minimum and 0.309 inches maximum

Head Height

0.107 inches minimum and 0.120 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.164 inches

Thread Quantity Per Inch

32

Screw Material

copper alloy

Screw Surface Treatment

nickel

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

0006657

Related Hardware Products

Part Number Description
8906 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-033-3979?
The FSCG of the NSN 5305-00-033-3979 is 5305
Does the NSN 5305-00-033-3979 have a Schedule B code assigned?
Yes, the Schedule B code is 7415338550
Does NSN 5305-00-033-3979 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 5305-00-033-3979 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-033-3979 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 5305-00-033-3979 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963