Extended Washer Self-locking Nut

Model / MPN: 6556923 | NSN: 5310-01-165-3346

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Product Details

NATO Stock Number

5310-01-165-3346

Sold in multiples of

DEMIL

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

Between 0.715 inches and 0.740 inches

Counterbore Diameter

0.385 inches washer and 0.400 inches washer

Overall Height

Between 0.335 inches and 0.355 inches

Nut Style

Hexagon

Washer Thickness

Between 0.060 inches and 0.083 inches

Nut Counterbore Depth

0.105 inches washer and 0.125 inches washer

Width Across Flats

Between 0.5510 inches and 0.5625 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.375 inches

Material

Steel comp 1110 or steel comp 1010 or steel comp 1020

Material Specification

Sae assn standard all material responses

Surface Treatment

Zinc

Surface Treatment Specification

Gm 4342-m, fscm 11862 mfr ref single treatment response

65569 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
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100% Product Inspections
7 Year Record Retention
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HAZMAT Certified
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6556923 Cross Reference

6556923