NS202909-4-2

View detailed technical data, stock status, and sourcing information for: NS202909-4-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-330-8507

Item Name Code

05280

Assigment Date

12/09/1990 (35 years ago)

3b thread class, 0.280 inches minimum nut counterbore diameter, right-hand thread direction, dry film lubricant lubrication, prevailing torque all metal design locking feature

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: 0.280 inches minimum nut
Lubrication: dry film lubricant
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 0.967 inches maximum
Nut Height: 0.360 inches maximum
Plate Thickness: 0.020 inches nominal
Plate Width: 0.615 inches minimum and 0.635 inches maximum
Nut Counterbore Depth: 0.125 inches minimum nut
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.371 inches minimum and 0.381 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.750 inches minimum and 0.754 inches maximum
Thread Series: unjf
Features Provided: floating nut
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Special Features: o/a length 0.745 in. max
Material: iron alloy 660 nut
Material: iron alloy 660 shell
Material: iron alloy 660 washer
Material: rubber chloroprene class cr seal
Surface Treatment: passivate nut
Surface Treatment: passivate shell
Surface Treatment: passivate washer

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-01-331-7166	No Name Available	09/01/2009

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
03A215-4-2L	Plate Self-Locking Nut
MF5294-4-2	Plate Self-Locking Nut
MF52942-4DL2	Plate Self-Locking Nut
NS202902-4-2	Plate Self-Locking Nut
NS202909-4-2	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-330-8507?

The FSCG of the NSN 5310-01-330-8507 is 5310

Does the NSN 5310-01-330-8507 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-330-8507 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 5310-01-330-8507 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-330-8507 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 5310-01-330-8507 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sun, Dec 9, 1990