3M143A4-2

View detailed technical data, stock status, and sourcing information for: 3M143A4-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-133-0433

Item Name Code

05280

Assigment Date

06/09/1982 (44 years ago)

prevailing torque all metal design locking feature, dry film lubricant lubrication, right-hand thread direction, 3b thread class, 0.098 inches nominal 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 nominal
Nut Style: plate
Nut Length: 1.296 inches nominal
Nut Height: 0.344 inches maximum
Plate Thickness: 0.040 inches nominal
Plate Width: 0.516 inches nominal
Nut Counterbore Depth: 0.125 inches nominal mounting
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.500 inches nominal
Center To Center Distance Between Mounting Holes Along Length: 1.000 inches nominal
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unf
Features Provided: floating nut
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: steel overall
Surface Treatment: cadmium 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
3M143A4-2	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-133-0433?

The FSCG of the NSN 5310-01-133-0433 is 5310

Does the NSN 5310-01-133-0433 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-133-0433 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 5310-01-133-0433 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-133-0433 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 5310-01-133-0433 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Jun 9, 1982