EWN22-12

View detailed technical data, stock status, and sourcing information for: EWN22-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-558-7526

Item Name Code

05276

Assigment Date

01/01/1963 (63 years ago)

prevailing torque all metal design locking feature, 3b thread class, right-hand thread direction, double hexagon nut style, 1.005 inches nominal nut 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
Nut Style: double hexagon
Nut Height: 1.005 inches nominal
Width Across Flats: 1.508 inches nominal
Temp Rating: 550.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 16
Hardness Rating: 27.0 rockwell c minimum and 33.0 rockwell c maximum
Nominal Thread Size: 0.750 inches
Bearing Surface Type: chamfered
Material: steel comp 8630 or steel comp 8740 overall
Material Document And Classification: ams 6280 assn std 1st material response or ams 6322 assn std 2nd 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
EWN22-12	Double Hexagon Self-Locking Nut
EWN22-1216	Double Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-558-7526?

The FSCG of the NSN 5310-00-558-7526 is 5310

Does the NSN 5310-00-558-7526 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-558-7526 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 5310-00-558-7526 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-558-7526 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 5310-00-558-7526 was assigned to the Federal Catalog?

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