Extended Washer Self-locking Nut

Model / MPN: 78351-820 | NSN: 5310-01-137-8981

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

5310-01-137-8981

Sold in multiples of

1 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.880 inches

Lubrication

Dry film lubricant

Overall Height

0.578 inches

Nut Style

Double hexagon

Washer Thickness

0.090 inches

Width Across Flats

Between 0.553 inches and 0.565 inches

Tempurature Rating

450.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

45.0 rockwell c

Thread Size

0.500 inches

Material

Steel comp 601

Material Specification

Ams 6304 assn standard single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Ams 2401 assn standard single treatment response

78351 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

78351-820 Cross Reference

ST3M737-8
H50675-8
LH12343-8