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5305-01-449-4939

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-01-449-4939
(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
10/02/1997 (29 years ago)

0.344 inches nominal thread length, 3a thread class, round head style, right-hand thread direction, 0.594 inches nominal fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.344 inches nominal

Fastener Length

0.594 inches nominal

Head Style

round

Head Diameter

0.375 inches nominal

Head Height

0.113 inches minimum and 0.128 inches maximum

Internal Drive Style

cross recess type ii

Nominal Thread Diameter

0.190 inches

Thread Quantity Per Inch

32

Screw Material

steel

Screw Surface Treatment

cadmium

Thread Series Designator

unf

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

0006657

Related Hardware Products

Part Number Description
LS5075-3A4 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-449-4939?
The FSCG of the NSN 5305-01-449-4939 is 5305
Does the NSN 5305-01-449-4939 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-449-4939 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 5305-01-449-4939 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-449-4939 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 5305-01-449-4939 was assigned to the Federal Catalog?
It was assigned 29 years ago, on Thu, Oct 2, 1997