Extended Washer Self-locking Nut

Model / MPN: 512091 | NSN: 5310-00-016-5781

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Product Details

NATO Stock Number

5310-00-016-5781

Sold in multiples of

1 EA

DEMIL

Thread Pitch Diameters

+0.2884/+0.2920 inches

Thread Pitch Diameters

+0.2884 to 0.2920 inches

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

Between 0.480 inches and 0.490 inches

Overall Height

Between 0.326 inches and 0.336 inches

Nut Style

Double hexagon

Washer Thickness

Between 0.045 inches and 0.055 inches

Width Across Flats

Between 0.367 inches and 0.376 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 35.0 rockwell c and 42.0 rockwell c

Thread Size

0.312 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Iron alloy 660

Material Specification

Ams 5737 assn standard single material response

Precious Material And Location

silver

Precious Material

Silver

Surface Treatment

Silver

Surface Treatment Specification

Ams 2410 assn standard single treatment response

51209 Series Parts

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

512091 Cross Reference

59852-524