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Worldwide distributor of NSN parts and consumables located in the USA.

Extended Washer Self-locking Nut

Model / MPN: 78351-1216 | NSN: 5310-01-088-0299
ITAR Registered seal

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
5310-01-088-0299
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
1.250 inches
Lubrication
Dry film lubricant
Overall Height
0.796 inches
Nut Style
Double hexagon
Washer Thickness
Between 0.152 inches and 0.172 inches
Width Across Flats
Between 0.927 inches and 0.943 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
16
Thread Size
0.750 inches
Material
Steel comp 601 or steel comp h11
Material Specification
Ams 6304 assn standard 1st material response or ams 6487 assn standard 2nd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2401 assn standard single treatment response
Specification Data
76301-st3-737 manufacturers standard
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E816T0615 Locking, Ex Nut, Self 66 EA 10/26/2015
SPE5E817T3383 Locking, Ex Nut, Self 32 EA 12/13/2016
SPE5E817TD258 Locking, Ex Nut, Self 115 EA 07/18/2017
SPE5E317T8505 Locking, Ex Nut, Self 66 EA 09/18/2017
SPE5E318T110T Locking, Ex Nut, Self 150 EA 06/13/2018
SPE5E818Q1080 Locking, Ex Nut, Self 75 EA 08/31/2018
SPE5E319T8146 Locking, Ex Nut, Self 86 EA 02/04/2019
SPE5E320T5110 Locking, Ex Nut, Self 31 EA 02/18/2020

Pricing and Availability

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78351-1216 Cross Reference
  • LH12343-12
  • H50675-12
  • 78351-1216
  • H50675-12
  • ST3M737-12
  • LH12343-12
  • H50675-12