5310-01-621-2981

Find complete technical information, availability, and procurement data for: 5310-01-621-2981
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-621-2981

Item Name Code

05280

Assigment Date

08/30/2013 (12 years ago)

A rigid item of differing shape which together with at least one other housing section forms a housing, mechanical drive.

0.168 inches minimum nut counterbore diameter, right-hand thread direction, dry film lubricant lubrication, prevailing torque all metal design locking feature, 3b thread class

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 all metal design
Counterbore Diameter: 0.168 inches minimum nut
Lubrication: dry film lubricant
Nut Style: plate
Nut Length: 0.785 inches nominal
Nut Height: 0.365 inches maximum
Plate Thickness: 0.055 inches minimum and 0.070 inches maximum
Plate Width: 0.560 inches nominal
Nut Counterbore Depth: 0.100 inches minimum nut
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Part Name Assigned By Controlling Agency: replaceble self locking floating nut
Material: iron alloy 660 or nickel alloy 718 nut
Material Document And Classification: ams5525 national spec 1st material response or ams5732 national spec 1st material response or ams5737 national spec 1st material response or ams5662 national spec 2nd material response nut
Surface Treatment: passivate nut
Surface Treatment Document And Classification: bms2700 national spec single treatment response or ams5272 national spec 1st treatment response nut

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
NS203182NL6-2	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-621-2981?

The FSCG of the NSN 5310-01-621-2981 is 5310

Does the NSN 5310-01-621-2981 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-621-2981 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 5310-01-621-2981 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-621-2981 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 5310-01-621-2981 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Fri, Aug 30, 2013