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5305-00-655-5921

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-655-5921
(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)

0.281 inches nominal fastener length, 3a thread class, 0.281 inches minimum thread length, flat countersunk head style, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.281 inches minimum

Fastener Length

0.281 inches nominal

Head Style

flat countersunk

Head Diameter

0.190 inches nominal

Internal Drive Style

slot

Nominal Thread Diameter

0.099 inches

Thread Quantity Per Inch

56

Countersink Angle

80.0 degrees nominal

Part Name Assigned By Controlling Agency

navy special project

Screw Material

steel comp 303 or steel comp 416

Screw Surface Treatment

passivate

Thread Series Designator

unf

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
FH309SS8PX Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-655-5921?
The FSCG of the NSN 5305-00-655-5921 is 5305
Does the NSN 5305-00-655-5921 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-655-5921 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 5305-00-655-5921 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-655-5921 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 5305-00-655-5921 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963