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5305-01-053-0959

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-01-053-0959
(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
12/28/1977 (48 years ago)

0.418 inches minimum and 0.438 inches maximum fastener length, 2a thread class, watertight head style, 0.356 inches minimum and 0.438 inches maximum thread length, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.356 inches minimum and 0.438 inches maximum

Fastener Length

0.418 inches minimum and 0.438 inches maximum

Head Style

watertight

Head Diameter

0.256 inches minimum and 0.294 inches maximum

Head Height

0.087 inches minimum and 0.097 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.138 inches

Features Provided

o ring

Thread Quantity Per Inch

32

Screw Material

steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384 or steel comp xm-7

Screw Surface Treatment

passivate

Screw Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response

Thread Series Designator

unc

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

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Frequently Asked Questions

What is the FSCG of the NSN 5305-01-053-0959?
The FSCG of the NSN 5305-01-053-0959 is 5305
Does the NSN 5305-01-053-0959 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-053-0959 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 5305-01-053-0959 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-053-0959 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 5305-01-053-0959 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Wed, Dec 28, 1977