5310-01-081-8944

Find complete technical information, availability, and procurement data for: 5310-01-081-8944
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-081-8944

Item Name Code

05277

Assigment Date

08/22/1979 (46 years ago)

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

3b thread class, prevailing torque with nonmetallic insert locking feature, right-hand thread direction, 0.623 inches minimum and 0.704 inches maximum nut height, hexagon nut 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: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Nut Style: hexagon
Nut Height: 0.623 inches minimum and 0.704 inches maximum
Width Across Flats: 0.865 inches minimum and 0.880 inches maximum
Temp Rating: 250.0 fahrenheit maximum
Thread Series: unf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.562 inches
Countersink Angle: 88.0 degrees minimum nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: nickel alloy 400 or nickel alloy r-405 nut
Material: plastic polyhexamethylene amide locking insert
Material Document And Classification: astm d4066,comp a,type 1 assn std single material response locking insert

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
MS17828-9F	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-081-8944?

The FSCG of the NSN 5310-01-081-8944 is 5310

Does the NSN 5310-01-081-8944 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-01-081-8944 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 5310-01-081-8944 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-081-8944 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 5310-01-081-8944 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Wed, Aug 22, 1979