5310-00-938-4231

Find complete technical information, availability, and procurement data for: 5310-00-938-4231
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-938-4231

Item Name Code

15887

Assigment Date

03/15/1967 (59 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

3b thread class, round nut style, right-hand thread direction, 0.370 inches minimum and 0.380 inches maximum nut thickness, 0.593 inches minimum and 0.598 inches maximum nut 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: 3b
Thread Direction: right-hand
Nut Style: round
Nut Diameter: 0.593 inches minimum and 0.598 inches maximum
Nut Thickness: 0.370 inches minimum and 0.380 inches maximum
Drive Point Width: 0.125 inches minimum and 0.130 inches maximum
Drive Point Quantity: 4
Thread Series: unf
Thread Quantity Per Inch: 28
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Nominal Thread Size: 0.250 inches
Special Features: 4 scallops equally spaced alternately with slots,min dia 3.250
Material: steel overall
Material Document And Classification: ams6320 assn std single material response overall
Surface Treatment: oxide overall
Surface Treatment Document And Classification: ams2485 assn 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
6850985	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-938-4231?

The FSCG of the NSN 5310-00-938-4231 is 5310

Does the NSN 5310-00-938-4231 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-938-4231 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 5310-00-938-4231 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-938-4231 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 5310-00-938-4231 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Mar 15, 1967