5310-00-121-8275

Find complete technical information, availability, and procurement data for: 5310-00-121-8275
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-121-8275

Item Name Code

01861

Assigment Date

10/25/1968 (57 years ago)

A nut having an externally splined sleeve which holds it in position when forced into a hole of slightly smaller diameter.

2b thread class, right-hand thread direction, 0.278 inches minimum and 0.282 inches maximum pilot diameter, 0.078 inches nominal pilot length, 0.169 inches minimum and 0.174 inches maximum nut counterbore diameter

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
Pilot Diameter: 0.278 inches minimum and 0.282 inches maximum
Pilot Length: 0.078 inches nominal
Counterbore Diameter: 0.169 inches minimum and 0.174 inches maximum nut
Nut Style: spline
Nut Diameter: 0.375 inches nominal
Nut Height: 0.333 inches minimum and 0.353 inches maximum
Nut Counterbore Depth: 0.271 inches minimum and 0.291 inches maximum nut
Thread Series: unc
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.164 inches
Material: steel comp 302 overall
Material Document And Classification: qq-s-763,cond a fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: 171,fin. 5.4.1 mil std single treatment response overall

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
9167537	Spline Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-121-8275?

The FSCG of the NSN 5310-00-121-8275 is 5310

Does the NSN 5310-00-121-8275 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-121-8275 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 5310-00-121-8275 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-121-8275 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 5310-00-121-8275 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Oct 25, 1968