5305-01-371-4281

Find complete technical information, availability, and procurement data for: 5305-01-371-4281
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-371-4281

Item Name Code

06657

Assigment Date

02/12/1993 (33 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.

0.250 inches nominal thread diameter, right-hand thread direction, 0.140 inches minimum and 0.172 inches maximum head height, 3.281 inches nominal fastener length, dished hexagon head style

Product Characteristics

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

Thread Direction: right-hand
Fastener Length: 3.281 inches nominal
Head Style: dished hexagon
Head Height: 0.140 inches minimum and 0.172 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Screw Material: steel corrosion resisting
Thread Series Designator: unf

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
AN174-32	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-371-4281?

The FSCG of the NSN 5305-01-371-4281 is 5305

Does the NSN 5305-01-371-4281 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-371-4281 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 5305-01-371-4281 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-371-4281 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 5305-01-371-4281 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Fri, Feb 12, 1993