5310-00-012-5027

Find complete technical information, availability, and procurement data for: 5310-00-012-5027
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-012-5027

Item Name Code

01854

Assigment Date

01/01/1963 (63 years ago)

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes:nut (1), plain, slotted, hexagon.

castellated, hexagon nut style, 0.398 inches minimum and 0.415 inches maximum nut height, 2b thread class, 0.551 inches minimum and 0.562 inches maximum width across flats, 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: 2b
Thread Direction: right-hand
Nut Style: castellated, hexagon
Nut Height: 0.398 inches minimum and 0.415 inches maximum
Width Across Flats: 0.551 inches minimum and 0.562 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Bearing Surface Type: chamfered or washer faced
Material: steel overall
Surface Treatment: cadmium or zinc overall
Nondefinitive Spec/Std Data: a 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
34030S7	Nut,plain,castellated,hexagon

FAQs

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

What is the FSCG of the NSN 5310-00-012-5027?

The FSCG of the NSN 5310-00-012-5027 is 5310

Does the NSN 5310-00-012-5027 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-012-5027 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 5310-00-012-5027 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-012-5027 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 5310-00-012-5027 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963