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5305-00-236-0023

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-236-0023
(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
10/31/1969 (56 years ago)

flat countersunk head style, 0.500 inches nominal fastener length, 0.362 inches minimum thread length, 2a thread class, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.362 inches minimum

Fastener Length

0.500 inches nominal

Head Style

flat countersunk

Head Diameter

0.556 inches minimum and 0.635 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.312 inches

Thread Quantity Per Inch

24

Minimum Tensile Strength

80000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Screw Material

steel comp 302 or steel comp 303 or steel comp 304

Screw Material Document And Classification

aisi assn std all material responses

Screw Surface Treatment

passivate

Screw Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response

Thread Series Designator

unf

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 5305-00-236-0023?
The FSCG of the NSN 5305-00-236-0023 is 5305
Does the NSN 5305-00-236-0023 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-236-0023 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 5305-00-236-0023 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-236-0023 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 5305-00-236-0023 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Fri, Oct 31, 1969