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5305-00-042-6581

Shoulder Screw

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Official Item Classification

Name
Shoulder Screw
(NSN) National Stock Number
5305-00-042-6581
(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
01/01/1961 (65 years ago)

0.491 inches nominal fastener length, right-hand thread direction, flat chamfer head style, 0.260 inches minimum thread length, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.260 inches minimum

Fastener Length

0.491 inches nominal

Head Style

flat chamfer

Head Diameter

0.312 inches nominal

Head Height

0.044 inches nominal

Shoulder Diameter

0.188 inches nominal first shoulder

Shoulder Length

0.188 inches nominal first shoulder

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.138 inches

Thread Quantity Per Inch

40

Minimum Tensile Strength

100000 pounds per square inch

Shoulder Shape

round first shoulder

Material

steel comp 303 overall

Surface Treatment

passivate overall

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

0022846

Related Hardware Products

Part Number Description
2493757 Shoulder Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-042-6581?
The FSCG of the NSN 5305-00-042-6581 is 5305
Does the NSN 5305-00-042-6581 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-042-6581 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 5305-00-042-6581 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-042-6581 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 5305-00-042-6581 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961