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5305-01-173-3522

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-01-173-3522
(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
03/05/1984 (42 years ago)

0.719 inches minimum and 0.750 inches maximum fastener length, 2a thread class, right-hand thread direction, flat countersunk head style, 0.636 inches minimum and 0.750 inches maximum thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.636 inches minimum and 0.750 inches maximum

Fastener Length

0.719 inches minimum and 0.750 inches maximum

Head Style

flat countersunk

Head Diameter

0.333 inches minimum and 0.385 inches maximum

Internal Drive Style

slot

Nominal Thread Diameter

0.190 inches

Thread Quantity Per Inch

24

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Screw Material

plastic polyhexamethylene amide

Screw Material Document And Classification

mil-m-20693,ty 1 mil spec single material response

Thread Series Designator

unc

Nondefinitive Spec/Std Data

1 type and 3s style

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
A-A-55623-188 Machine Screw
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Frequently Asked Questions

What is the FSCG of the NSN 5305-01-173-3522?
The FSCG of the NSN 5305-01-173-3522 is 5305
Does the NSN 5305-01-173-3522 have a Schedule B code assigned?
Yes, the Schedule B code is 3926909987
Does NSN 5305-01-173-3522 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 5305-01-173-3522 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-173-3522 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 5305-01-173-3522 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Mon, Mar 5, 1984