5305-00-431-7331

Find complete technical information, availability, and procurement data for: 5305-00-431-7331
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-431-7331

Item Name Code

29294

Assigment Date

05/03/1971 (55 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

1.563 inches minimum and 1.593 inches maximum fastener length, 3a thread class, 0.428 inches minimum and 0.478 inches maximum thread length, 32.0 microinches grip surface finish, 160000 pounds per square inch minimum tensile strength

Product Characteristics

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

Thread Class: 3a
Thread Length: 0.428 inches minimum and 0.478 inches maximum
Fastener Length: 1.563 inches minimum and 1.593 inches maximum
Minimum Tensile Strength: 160000 pounds per square inch
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response overall

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
NAS1158-18	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-431-7331?

The FSCG of the NSN 5305-00-431-7331 is 5305

Does the NSN 5305-00-431-7331 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-431-7331 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 5305-00-431-7331 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-431-7331 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 5305-00-431-7331 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, May 3, 1971