5305-01-057-3749

Find complete technical information, availability, and procurement data for: 5305-01-057-3749
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-057-3749

Item Name Code

06672

Assigment Date

03/11/1978 (48 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

3a thread class, oval point style, 1.250 inches nominal fastener length, headless (setscrew) head style, right-hand thread direction

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 Direction: right-hand
Fastener Length: 1.250 inches nominal
Head Style: headless (setscrew)
Point Style: oval
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.125 inches minimum and 0.127 inches maximum
Thread Quantity Per Inch: 28
Material: steel overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416,type 1,class 3 fed spec 1st treatment response or qq-z-325,type 1,class 3 fed spec 2nd treatment response overall
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
589587	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-01-057-3749?

The FSCG of the NSN 5305-01-057-3749 is 5305

Does the NSN 5305-01-057-3749 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-057-3749 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 5305-01-057-3749 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-057-3749 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 5305-01-057-3749 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Mar 11, 1978