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

Hexagon Slotted Self-locking Nut

Model / MPN: 10121784 | NSN: 5310-00-871-8758
ITAR Registered seal

A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots, when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe", feature in critical applications. Excludes nut (1), self-locking, castellated, octagon.

Product Details
NATO Stock Number
5310-00-871-8758
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Nut Style
Slotted, hexagon
Nut Height
Between 0.548 inches and 0.578 inches
Width Across Flats
Between 0.741 inches and 0.752 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
20
Thread Size
0.500 inches
Bearing Surface Type
Washer faced
Material
Plastic polyamide locking insert
Material
Steel nut
Surface Treatment
Cadmium except insert and chromate except insert
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response except insert
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E815T5639 Locking, Sl Nut, Self 909 EA 02/23/2015
SPE5E816Q0269 Locking, Sl Nut , Self 1884 EA 12/21/2015
SPE5E817T8631 Locking, Sl Nut , Self 224 EA 04/06/2017
SPE5E817TG786 Locking, Sl Nut , Self 1930 EA 09/29/2017
SPE5E818T6265 Locking, Sl Nut , Self 2404 EA 02/14/2018
SPE5E818T323F Locking, Sl Nut , Self 1500 EA 09/28/2018
SPE5E819T107H Locking, Sl Nut , Self 2246 EA 07/05/2019

Pricing and Availability

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10121784 Cross Reference
  • MS17825-8
  • F12NE4753-080
  • F12NEC820
  • F12NE4753-080