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5305-00-421-3568

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-421-3568
(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
12/16/1970 (55 years ago)

flat chamfer head style, 0.190 inches minimum and 0.200 inches maximum head diameter, right-hand thread direction, 0.281 inches maximum fastener length, 0.281 inches maximum thread length

Specs & Compatibility

Thread Direction

right-hand

Thread Length

0.281 inches maximum

Fastener Length

0.281 inches maximum

Head Style

flat chamfer

Head Diameter

0.190 inches minimum and 0.200 inches maximum

Head Height

0.056 inches minimum and 0.062 inches maximum

Internal Drive Style

slot

Nominal Thread Diameter

0.138 inches

Features Provided

casehardened

Thread Quantity Per Inch

40

Screw Surface Treatment

cadmium

Thread Series Designator

unf

Reference Number Differentiating Characteristics

navord od36190

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.

Source of Supply Code

N35

Pseudo Item Name Code

0006657

Related Hardware Products

Part Number Description
1090524 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-421-3568?
The FSCG of the NSN 5305-00-421-3568 is 5305
Does NSN 5305-00-421-3568 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 5305-00-421-3568 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-421-3568 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 5305-00-421-3568 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Dec 16, 1970