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5305-01-159-1858

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-01-159-1858
(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
08/04/1983 (43 years ago)

right-hand thread direction, watertight head style, 0.469 inches nominal fastener length, 2a thread class, 0.409 inches minimum and 0.429 inches maximum thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.409 inches minimum and 0.429 inches maximum

Fastener Length

0.469 inches nominal

Head Style

watertight

Head Diameter

0.425 inches minimum and 0.448 inches maximum

Head Height

0.103 inches minimum and 0.118 inches maximum

End Item Identification

family of hemtt vehicles (heavy expanded mobility tactical trucks)

Nominal Thread Diameter

0.190 inches

Thread Quantity Per Inch

32

Screw Material

steel

Screw Surface Treatment

cadmium

Special Features

plastic gasket on bearing surface of head

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
2AT452 Machine Screw
A5195 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-159-1858?
The FSCG of the NSN 5305-01-159-1858 is 5305
Does the NSN 5305-01-159-1858 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-159-1858 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 5305-01-159-1858 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-159-1858 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 5305-01-159-1858 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Thu, Aug 4, 1983