5305-01-142-4785

Find complete technical information, availability, and procurement data for: 5305-01-142-4785
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-142-4785

Item Name Code

18257

Assigment Date

11/17/1982 (43 years ago)

A stud, turnlock fastener over which may be assembled an eyelet, turnlock fastener. Stud(s) without cam slots or cam lead threads are provided with a crosspin or eared nut for locking with the mating receptacle, turnlock fastener. May be spring loaded. For like items having a threaded fastener, see screw assembly, panel or screw, panel fastener.

right-hand thread direction, 0.494 inches minimum and 0.625 inches maximum thread length, 2a thread class, 0.594 inches minimum and 0.625 inches maximum fastener length, 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 Class: 2a
Thread Direction: right-hand
Thread Length: 0.494 inches minimum and 0.625 inches maximum
Fastener Length: 0.594 inches minimum and 0.625 inches maximum
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Material: copper alloy 462 or copper alloy 464 or copper alloy 482 or copper alloy 485 overall
Material Document And Classification: qq-b-637 fed spec all material responses overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec single treatment response 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
326-0032-000	Hexagon Head Cap Screw
P326-0032-000	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-142-4785?

The FSCG of the NSN 5305-01-142-4785 is 5305

Does the NSN 5305-01-142-4785 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-01-142-4785 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 5305-01-142-4785 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-142-4785 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 5305-01-142-4785 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Nov 17, 1982