5305-01-389-8739

Find complete technical information, availability, and procurement data for: 5305-01-389-8739
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-389-8739

Item Name Code

22846

Assigment Date

05/05/1994 (32 years ago)

An open- or close-wound coil spring, consisting of one or more helical coils wound from different shapes and types of material and finished at the ends, designed to exert pressure in a rotating direction around the coil axis. Excludes:springs designed for thermal actuation (springs in which the torsion forces are counteracted by changes in temperature) and spring,reinforcing,hose.

0.480 inches minimum and 0.500 inches maximum thread length, flat chamfer head style, right-hand thread direction, 3a thread class, 0.970 inches minimum and 1.010 inches maximum fastener length

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
Thread Length: 0.480 inches minimum and 0.500 inches maximum
Fastener Length: 0.970 inches minimum and 1.010 inches maximum
Head Style: flat chamfer
Head Diameter: 0.543 inches minimum and 0.562 inches maximum
Head Height: 0.240 inches minimum and 0.250 inches maximum
Shoulder Diameter: 0.371 inches minimum and 0.373 inches maximum first shoulder
Shoulder Length: 0.397 inches minimum and 0.417 inches maximum first shoulder
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.188 inches nominal
Thread Quantity Per Inch: 18
Shoulder Shape: round first shoulder
Color: bronze or olive drab overall
Material: steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740 overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: 171, 1.9.2.3 mil std single treatment response overall
Thread Series Designator: uns

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
12387306-16	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-389-8739?

The FSCG of the NSN 5305-01-389-8739 is 5305

Does the NSN 5305-01-389-8739 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-389-8739 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 5305-01-389-8739 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-389-8739 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 5305-01-389-8739 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Thu, May 5, 1994