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5305-01-388-5223

Setscrew

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Official Item Classification

Name
Setscrew
(NSN) National Stock Number
5305-01-388-5223
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
06672
(FIIG) Federal Item Identification Guide
A003B0
Date
04/01/1994 (32 years ago)

headless (setscrew) head style, 3a thread class, cup point style, 0.490 inches minimum and 0.510 inches maximum fastener length, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Fastener Length

0.490 inches minimum and 0.510 inches maximum

Head Style

headless (setscrew)

Point Style

cup

Internal Drive Style

hexagon

Nominal Thread Diameter

0.250 inches

Width Across Flats

0.125 inches nominal

Thread Quantity Per Inch

20

Hardness Rating

45.0 rockwell c minimum and 53.0 rockwell c maximum overall

Color

bronze and olive drab overall

Material

steel comp 4032 or steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740 overall

Material Document And Classification

fed 66 fed std all material responses overall

Surface Treatment

zinc and chromate overall

Surface Treatment Document And Classification

mil-std-171, 1.9.2.3 mil spec single treatment response overall

Thread Series Designator

unc

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

0006672

Related Hardware Products

Part Number Description
12387304-67 Setscrew

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-388-5223?
The FSCG of the NSN 5305-01-388-5223 is 5305
Does the NSN 5305-01-388-5223 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-388-5223 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 5305-01-388-5223 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-388-5223 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 5305-01-388-5223 was assigned to the Federal Catalog?
It was assigned 32 years ago, on Fri, Apr 1, 1994