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5305-01-091-7912

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-01-091-7912
(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
03/13/1980 (46 years ago)

0.403 inches nominal thread length, 0.903 inches nominal fastener length, 3a thread class, right-hand thread direction, oval countersunk head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.403 inches nominal

Fastener Length

0.903 inches nominal

Head Style

oval countersunk

Head Diameter

0.464 inches nominal

Internal Drive Style

high-torque

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

28

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Screw Material

titanium alloy

Screw Material Document And Classification

nas621,6a1-4v assn std single material response

Thread Series Designator

unjf

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
NAS1580V4H8 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-091-7912?
The FSCG of the NSN 5305-01-091-7912 is 5305
Does NSN 5305-01-091-7912 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 5305-01-091-7912 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-091-7912 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 5305-01-091-7912 was assigned to the Federal Catalog?
It was assigned 46 years ago, on Thu, Mar 13, 1980