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5305-00-421-9241

Shoulder Screw

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Official Item Classification

Name
Shoulder Screw
(NSN) National Stock Number
5305-00-421-9241
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
22846
(FIIG) Federal Item Identification Guide
A003B0
Date
12/23/1970 (55 years ago)

0.773 inches minimum and 0.818 inches maximum fastener length, 0.250 inches minimum and 0.448 inches maximum thread length, 2a thread class, hexagon head style, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.250 inches minimum and 0.448 inches maximum

Fastener Length

0.773 inches minimum and 0.818 inches maximum

Head Style

hexagon

Head Height

0.073 inches minimum and 0.083 inches maximum

Width Between Flats

0.248 inches minimum and 0.250 inches maximum

Shoulder Diameter

0.186 inches minimum and 0.187 inches maximum first shoulder

Shoulder Length

0.302 inches minimum and 0.305 inches maximum first shoulder

Internal Drive Style

slot

Nominal Thread Diameter

0.125 inches

Features Provided

casehardened

Thread Quantity Per Inch

40

Shoulder Shape

round first shoulder

Special Features

axis of thd eccentric to axis of shoulder by 0.025 in.

Material

steel overall

Material Document And Classification

23610 mfr ref single material response overall

Surface Treatment

nickel 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

0022846

Related Hardware Products

Part Number Description
4001114 Shoulder Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-421-9241?
The FSCG of the NSN 5305-00-421-9241 is 5305
Does the NSN 5305-00-421-9241 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-421-9241 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 5305-00-421-9241 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-421-9241 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 5305-00-421-9241 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Dec 23, 1970