5305-01-385-0146

Find complete technical information, availability, and procurement data for: 5305-01-385-0146
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-385-0146

Item Name Code

18257

Assigment Date

12/31/1993 (32 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.

right-hand thread direction, hexagon head style, 1.750 inches minimum and 1.930 inches maximum thread length, 2a thread class, 10.650 inches minimum and 10.750 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: 2a
Thread Direction: right-hand
Thread Length: 1.750 inches minimum and 1.930 inches maximum
Fastener Length: 10.650 inches minimum and 10.750 inches maximum
Head Style: hexagon
Head Height: 0.531 inches minimum and 0.563 inches maximum
Width Between Flats: 1.285 inches minimum and 1.312 inches maximum
Nominal Thread Diameter: 0.875 inches
Thread Quantity Per Inch: 14
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 25.0 rockwell c minimum and 34.0 rockwell c maximum overall
Material: steel overall
Material Document And Classification: sae j429 gr5 assn std single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: ff-s-85 assn std single treatment response overall
Thread Series Designator: unf
Nondefinitive Spec/Std Data: ii, st 10p type

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
12259791-2	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-385-0146?

The FSCG of the NSN 5305-01-385-0146 is 5305

Does the NSN 5305-01-385-0146 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-385-0146 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 5305-01-385-0146 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-385-0146 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 5305-01-385-0146 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Dec 31, 1993