Hexagon Castellated Plain Nut

Model / MPN: 73781-918 | NSN: 5310-01-175-2813

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.

Product Details

NATO Stock Number

5310-01-175-2813

Sold in multiples of

10 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Nut Style

Castellated, hexagon

Nut Height

Between 0.547 inches and 0.579 inches

Width Across Flats

Between 0.680 inches and 0.692 inches

Thread Series

Unjf

Thread Size

0.5625 inches

Bearing Surface Type

Flat

Material

Stainless steel

Material Specification

Ams5737 assn standard single material response

73781 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE5E718T2613	Nut, Plain, Castellat	48	EA	12/12/2017
SPE5E718T027S	Nut, Plain, Castellat	380	EA	06/22/2018
SPE5E718T132R	Nut, Plain, Castellat	380	EA	08/24/2018
SPE5E719T0711	Nut, Plain, Castellat	774	EA	10/22/2018
SPE5E719T4309	Nut, Plain, Castellat	164	EA	01/14/2019
SPE5E719T7840	Nut, Plain, Castellat	639	EA	03/29/2019

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
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Worldwide Shipping

73781-918 Cross Reference

9131M75P27
9131M75P07
73781-918
H49404-9
SME9925-9GE