Extended Washer Self-locking Nut

Model / MPN: 73400-820 | NSN: 5310-01-055-3851

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

5310-01-055-3851

Sold in multiples of

1 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.863 inches

Lubrication

Soluble lubricant

Overall Height

0.549 inches

Nut Style

Double hexagon

Washer Thickness

0.074 inches

Width Across Flats

Between 0.616 inches and 0.627 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 34.0 rockwell c and 43.0 rockwell c

Thread Size

0.500 inches

Bearing Surface Finish

125.0 microinches

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 4037 or steel comp 8630 or steel comp 8740

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416 federal specification single treatment response

73400 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

73400-820 Cross Reference

VN427AC080
202-16122-8P