5305-00-543-4656

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Machine Screw

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Official Item Classification

Name: Machine Screw
(NSN) National Stock Number: 5305-00-543-4656
(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)

0.375 inches minimum thread length, fillister head style, 2a thread class, 4.781 inches nominal fastener length, right-hand thread direction

Specs & Compatibility

Thread Class

Thread Direction

right-hand

Thread Length

0.375 inches minimum

Fastener Length

4.781 inches nominal

Head Style

fillister

Head Diameter

0.438 inches nominal

Head Height

0.190 inches nominal

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.190 inches

Thread Quantity Per Inch

Hardness Rating

81.7 rockwell b minimum and 89.5 rockwell b maximum

Screw Material

steel comp 1213

Screw Material Document And Classification

sae assn std single material response

Screw Surface Treatment

cadmium and chromate

Screw Surface Treatment Document And Classification

qq-p-416 fed spec all treatment responses

Thread Series Designator

unf

Regulatory Compliance

Precious Metals Indicator

Precious metal content is unknown

Criticality Code

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator

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
SMA147301	Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-543-4656?

The FSCG of the NSN 5305-00-543-4656 is 5305

Does the NSN 5305-00-543-4656 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-543-4656 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 5305-00-543-4656 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-543-4656 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 5305-00-543-4656 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963