Hexagon Self-locking Nut

Model / MPN: 21685-10142 | NSN: 5310-00-889-2589

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Product Details

NATO Stock Number

5310-00-889-2589

Sold in multiples of

100 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Lubrication

Soluble lubricant

Nut Style

Hexagon

Nut Height

Between 0.240 inches and 0.360 inches

Width Across Flats

Between 0.430 inches and 0.439 inches

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Countersink Angle

88.0 degrees nut

Bearing Surface Type

Chamfered or washer faced

Bearing Surface Finish

125.0 microinches

Material

Steel comp 302 nut or steel comp 303 nut or steel comp 304 nut

Material Specification

Ams 5688 assn standard 1st material response nut or ams 5640 assn standard 2nd material response nut or ams 5647 assn standard 3rd material response nut

Surface Treatment

Passivate except insert

Surface Treatment Specification

Qq-p-35 federal specification single treatment response except insert

21685 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE5EJ15TE399	Locking, He Nut, Self	17760	EA	10/05/2015
SPE5E318T3441	Locking, He Nut, Self	43045	EA	12/18/2017
SPE5E319T0150	Locking, He Nut, Self	90720	EA	10/11/2018

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

21685-10142 Cross Reference

60-07-6423
9240-032-31
MS21044-C4
4912794-01
MS21044C4
4912794-01
002-003645-005
4158067-007
4158067-7
211024766
002-003645-005
MS21044C4
10318173