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AN520C1R7 Machine Screw

5305-00-879-4607

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Official Item Classification

Name
Machine Screw
Part Number
AN520C1R7
(NSN) National Stock Number
5305-00-879-4607
(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
01/01/1962 (64 years ago)

0.438 inches nominal fastener length, round head style, right-hand thread direction, 0.410 inches minimum and 0.438 inches maximum thread length, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.410 inches minimum and 0.438 inches maximum

Fastener Length

0.438 inches nominal

Head Style

round

Head Diameter

0.122 inches minimum and 0.138 inches maximum

Head Height

0.061 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.073 inches

Thread Quantity Per Inch

72

Part Name Assigned By Controlling Agency

screw,machine

Screw Surface Treatment

passivate

Thread Series Designator

unf

Replacement For

Part Number Description
5305-00-954-9678 No Name Available 11/07/1969

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.

Pseudo Item Name Code

0006657

Related Hardware Products

Part Number Description
AN520C1R7 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-879-4607?
The FSCG of the NSN 5305-00-879-4607 is 5305
Does NSN 5305-00-879-4607 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 5305-00-879-4607 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-879-4607 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 5305-00-879-4607 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962