490276

View detailed technical data, stock status, and sourcing information for: 490276
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-983-0394

Item Name Code

29729

Assigment Date

10/21/1966 (59 years ago)

0.260 inches maximum overall height, 0.360 inches maximum washer outside diameter, 3b thread class, prevailing torque all metal design locking feature, right-hand thread direction

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
Washer Outside Diameter: 0.360 inches maximum
Overall Height: 0.260 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.045 inches nominal
Width Across Flats: 0.243 inches minimum and 0.252 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Material: steel comp 1050 overall
Material Document And Classification: ams 5085 assn std single material response 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
490276	Extended Washer Self-Locking Nut
H19942-3	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-983-0394?

The FSCG of the NSN 5310-00-983-0394 is 5310

Does the NSN 5310-00-983-0394 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-983-0394 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 5310-00-983-0394 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-983-0394 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 5310-00-983-0394 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Oct 21, 1966