XA4

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-582-8491

Item Name Code

06657

Assigment Date

01/01/1961 (65 years ago)

0.375 inches minimum thread length, round head style, 0.375 inches nominal fastener length, right-hand thread direction, 2a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.375 inches minimum
Fastener Length: 0.375 inches nominal
Head Style: round
Head Diameter: 0.287 inches minimum and 0.309 inches maximum
Head Height: 0.107 inches minimum and 0.120 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 60000 pounds per square inch
Screw Material: steel
Screw Material Document And Classification: qq-s-634 fed spec single material response or qq-s-637 fed spec single material response or 66 fed std single material response
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 type and 1s style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-010-0750	No Name Available	01/26/1966
5305-00-290-2566	No Name Available	01/20/1966

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
0116724	Machine Screw
0900552	Machine Screw
0900552-1	Machine Screw
15X485	Machine Screw
19X55	Machine Screw
26467S	Machine Screw
55X96	Machine Screw
900552	Machine Screw
S33X11	Machine Screw
S6130	Machine Screw
SC396CA	Machine Screw
W6136	Machine Screw
X2-32	Machine Screw
XA4	Machine Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-582-8491?

The FSCG of the NSN 5305-00-582-8491 is 5305

Does the NSN 5305-00-582-8491 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-582-8491 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 5305-00-582-8491 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-582-8491 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 5305-00-582-8491 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961