6749294-428 63005

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-800-6994

Item Name Code

29729

Assigment Date

01/01/1963 (63 years ago)

0.438 inches minimum and 0.448 inches maximum washer outside diameter, 3b thread class, prevailing torque all metal design locking feature, right-hand thread direction, 0.294 inches minimum and 0.329 inches maximum overall height

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: 0.438 inches minimum and 0.448 inches maximum
Overall Height: 0.294 inches minimum and 0.329 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.065 inches minimum and 0.075 inches maximum
Width Across Flats: 0.367 inches minimum and 0.376 inches maximum
Temp Rating: 800.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 28
Hardness Rating: 26.0 rockwell c minimum and 34.0 rockwell c maximum
Nominal Thread Size: 0.250 inches
Countersink Angle: 90.0 degrees nominal nut
Material: steel comp 302 overall
Material Document And Classification: ams5637 assn std single material response overall
Precious Material And Location: overall silver
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams 2410 assn std 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
5310PL0933663	Extended Washer Self-Locking Nut
6749294-428	Extended Washer Self-Locking Nut
6749294-428 63005	Extended Washer Self-Locking Nut
E0104-428	Extended Washer Self-Locking Nut
SL3C-428	Extended Washer Self-Locking Nut
SL3C428	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-800-6994?

The FSCG of the NSN 5310-00-800-6994 is 5310

Does the NSN 5310-00-800-6994 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-800-6994 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 5310-00-800-6994 contain precious materials?

Item contains silver.

Does NSN 5310-00-800-6994 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 5310-00-800-6994 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963