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5305-01-079-7243

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-01-079-7243
(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
07/11/1979 (47 years ago)

right-hand thread direction, 0.470 inches minimum and 0.500 inches maximum fastener length, pan head style, 0.408 inches minimum and 0.500 inches maximum thread length, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.408 inches minimum and 0.500 inches maximum

Fastener Length

0.470 inches minimum and 0.500 inches maximum

Head Style

pan

Head Diameter

0.306 inches minimum and 0.322 inches maximum

Head Height

0.105 inches minimum and 0.115 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.164 inches

Thread Quantity Per Inch

32

Minimum Tensile Strength

55000 pounds per square inch

Screw Surface Treatment Document And Classification

qq-s-365 grade a ty 1 or ty 2 or ty 3 fed spec single treatment response

Precious Material And Location

overall silver

Precious Material

silver

Thread Series Designator

unc

Regulatory Compliance

Precious Metals Indicator
S

Item contains silver.

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

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Frequently Asked Questions

What is the FSCG of the NSN 5305-01-079-7243?
The FSCG of the NSN 5305-01-079-7243 is 5305
Does NSN 5305-01-079-7243 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 5305-01-079-7243 contain precious materials?
Item contains silver.
Does NSN 5305-01-079-7243 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 5305-01-079-7243 was assigned to the Federal Catalog?
It was assigned 47 years ago, on Wed, Jul 11, 1979