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

Extended Washer Self-locking Nut

Model / MPN: 645403-08 | NSN: 5310-00-878-7196
ITAR Registered seal

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
5310-00-878-7196
Sold in multiples of
100 EA
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.290 inches
Lubrication
Soluble lubricant
Overall Height
Between 0.125 inches and 0.188 inches
Nut Style
Hexagon
Washer Thickness
0.015 inches
Width Across Flats
Between 0.213 inches and 0.221 inches
Tempurature Rating
800.0 degrees fahrenheit
Thread Series
Unjc
Thready Qty Per Inch (tpi)
32
Thread Size
0.164 inches
Material
Iron alloy 660
Material Specification
Ams 5525 assn standard single material response or ams 5735 assn standard single material response
Precious Material And Location
External surface silver
Surface Treatment
Silver
Surface Treatment Specification
Qq-s-365 federal specification single treatment response or 2410 assn standard single treatment response
645403 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE5EC17T0252 Locking, Ex Nut, Self 11652 EA 12/12/2016
SPE4A718T1421 Locking, Ex Nut, Self 8753 EA 10/19/2017
SPE4A718T4531 Locking, Ex Nut, Self 6535 EA 11/24/2017
SPE4A718T7082 Locking, Ex Nut, Self 28198 EA 12/28/2017
SPE4A718T065M Locking, Ex Nut, Self 4325 EA 02/27/2018
SPE4A718T454G Locking, Ex Nut, Self 8264 EA 06/27/2018
SPE4A718T785R Locking, Ex Nut, Self 20385 EA 09/25/2018

Pricing and Availability

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645403-08 Cross Reference
  • NAS1291C08
  • 7550480-PL708782-56
  • 7383858-PL708782-56
  • 74443136003
  • LH3858-82
  • FN1014-832
  • MS21043-08
  • 5436K72-018
  • 503/4/06633/003
  • MN19-08
  • 938.07.68.403
  • H41L08
  • T99C832
  • MS21043-08
  • H41L08
  • MN19-08
  • 961C460-3
  • MS21043L08
  • MS21043-08
  • LH3858-82
  • H41L08
  • H41L08
  • MN19-08
  • 2637150
  • NAS1291C08
  • 961C460-3
  • T99C832
  • FN1014-832
  • 10121788
  • H41L08