NS202493-02-2

View detailed technical data, stock status, and sourcing information for: NS202493-02-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-339-0241

Item Name Code

05280

Assigment Date

05/15/1991 (35 years ago)

A plain nut on which has been assembled a nonremovable washer.

3b thread class, prevailing torque all metal design locking feature, dry film lubricant lubrication, right-hand thread direction, 0.194 inches minimum nut counterbore 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
Counterbore Diameter: 0.194 inches minimum nut
Lubrication: dry film lubricant
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate (floating)
Nut Length: 0.953 inches maximum
Nut Height: 0.290 inches maximum
Plate Thickness: 0.030 inches maximum
Plate Width: 0.410 inches maximum
Nut Counterbore Depth: 0.115 inches minimum and 0.135 inches maximum nut
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.339 inches minimum and 0.349 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.686 inches minimum and 0.700 inches maximum
Temp Rating: 450.0 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
Material Document And Classification: ams 5525 fed spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty2,cl2 fed spec single treatment response 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
102A9213-2-3	Plate Self-Locking Nut
BACN10KE3B2CD	Plate Self-Locking Nut
BRFR220C3-2D	Plate Self-Locking Nut
F51747-3-2CD	Plate Self-Locking Nut
NS202493-02-2	Plate Self-Locking Nut
NS202493-03-2	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-339-0241?

The FSCG of the NSN 5310-01-339-0241 is 5310

Does the NSN 5310-01-339-0241 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-339-0241 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 5310-01-339-0241 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-339-0241 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 5310-01-339-0241 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Wed, May 15, 1991