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304221 Setscrew

5305-00-121-8117

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Official Item Classification

Name
Setscrew
Part Number
304221
(NSN) National Stock Number
5305-00-121-8117
(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
10/25/1968 (57 years ago)

flat chamfer head style, 0.250 inches minimum thread length, 2a thread class, right-hand thread direction, 0.324 inches minimum and 0.348 inches maximum fastener length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.250 inches minimum

Fastener Length

0.324 inches minimum and 0.348 inches maximum

Head Style

flat chamfer

Head Diameter

0.215 inches minimum and 0.225 inches maximum

Head Height

0.105 inches minimum and 0.129 inches maximum

Point Style

cup

Internal Drive Style

slot

Nominal Thread Diameter

0.190 inches

Thread Quantity Per Inch

24

Material

steel comp 303 overall

Material Document And Classification

aisi assn std single material response overall

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

0006672

Related Hardware Products

Part Number Description
0304221 Setscrew
304221 Setscrew

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-121-8117?
The FSCG of the NSN 5305-00-121-8117 is 5305
Does the NSN 5305-00-121-8117 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-121-8117 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 5305-00-121-8117 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-121-8117 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 5305-00-121-8117 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Fri, Oct 25, 1968