5310-00-139-7128

Find complete technical information, availability, and procurement data for: 5310-00-139-7128
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-139-7128

Item Name Code

05280

Assigment Date

09/01/1971 (54 years ago)

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

prevailing torque all metal design locking feature, right-hand thread direction, 0.194 inches minimum nut counterbore diameter, 0.175 inches nominal distance from centerline to flat, 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
Distance From Centerline To Flat: 0.175 inches nominal
Locking Feature: prevailing torque all metal design
Counterbore Diameter: 0.194 inches minimum nut
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 0.525 inches maximum
Nut Height: 0.227 inches maximum
Plate Thickness: 0.030 inches nominal
Plate Width: 0.486 inches maximum
Nut Counterbore Depth: 0.062 inches minimum nut
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.245 inches minimum and 0.255 inches maximum
Center To Center Distance Between Mounting Holes Along Width: 0.217 inches minimum and 0.221 inches maximum
Temp Rating: 800.0 fahrenheit nominal
Thread Series: unjf
Features Provided: floating nut
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Material: iron alloy 660 overall
Precious Material And Location: nut external surfaces silver
Surface Treatment: passivate shell
Surface Treatment: silver 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
L5346133	Plate Self-Locking Nut
M13740-02	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-139-7128?

The FSCG of the NSN 5310-00-139-7128 is 5310

Does the NSN 5310-00-139-7128 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-139-7128 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 5310-00-139-7128 contain precious materials?

Item contains silver.

Does NSN 5310-00-139-7128 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 5310-00-139-7128 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Sep 1, 1971