5310-01-331-8631

Find complete technical information, availability, and procurement data for: 5310-01-331-8631
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-331-8631

Item Name Code

05280

Assigment Date

12/29/1990 (35 years ago)

prevailing torque all metal design locking feature, right-hand thread direction, dry film lubricant lubrication, 3b thread class, 0.098 inches minimum and 0.103 inches maximum mounting hole 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
Locking Feature: prevailing torque all metal design
Lubrication: dry film lubricant
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 0.684 inches maximum
Distance From Base To Center Of Aperture: 0.165 inches minimum and 0.175 inches maximum
Nut Height: 0.170 inches maximum
Plate Thickness: 0.020 inches minimum and 0.035 inches maximum
Plate Width: 0.325 inches maximum
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Mounting Hole Center To Base: 0.320 inches minimum and 0.330 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.217 inches minimum and 0.221 inches maximum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjc
Features Provided: floating nut
Thread Quantity Per Inch: 32
Hardness Rating: 49.0 rockwell c maximum
Nominal Thread Size: 0.138 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5525 assn std single material response or ams 5732 assn std single material response overall
Surface Treatment: passivate 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
M83528/010A004	Plate Self-Locking Nut
MS51552CL06	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-331-8631?

The FSCG of the NSN 5310-01-331-8631 is 5310

Does the NSN 5310-01-331-8631 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-331-8631 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 5310-01-331-8631 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-331-8631 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 5310-01-331-8631 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sat, Dec 29, 1990