5305-00-944-4189

Find complete technical information, availability, and procurement data for: 5305-00-944-4189
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-944-4189

Item Name Code

06672

Assigment Date

03/04/1966 (60 years ago)

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes:ring, connecting, round.

0.563 inches nominal fastener length, 3a thread class, headless (setscrew) head style, right-hand thread direction, 0.563 inches minimum thread 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: 0.563 inches minimum
Fastener Length: 0.563 inches nominal
Head Style: headless (setscrew)
Locking Feature: patch or strip threads
Point Style: oval
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.112 inches
Width Across Flats: 0.050 inches minimum and 0.051 inches maximum
Thread Quantity Per Inch: 40
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
Material: steel comp 4037 or steel comp 4137 or steel comp 8630 or steel comp 8740 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: cadmium overall
Thread Series Designator: unc

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
29893-0	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-944-4189?

The FSCG of the NSN 5305-00-944-4189 is 5305

Does the NSN 5305-00-944-4189 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-944-4189 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 5305-00-944-4189 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-944-4189 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 5305-00-944-4189 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Mar 4, 1966