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

Barrel Self-locking Nut

Model / MPN: SL50-5A | NSN: 5310-00-839-2017
ITAR Registered seal

A nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. Ends may be flat or flanged. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, round.

Product Details
NATO Stock Number
5310-00-839-2017
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Counterbore Diameter
0.344 inches nut and 0.354 inches nut
Lubrication
Dry film lubricant
Nut Style
Floating self-locking barrel
Nut Diameter
Between 0.587 inches and 0.590 inches
Nut Length
Between 0.678 inches and 0.698 inches
Barrel Height
Between 0.350 inches and 0.360 inches
Nut Height
0.468 inches
Nut Counterbore Depth
0.120 inches nut and 0.130 inches nut
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Features Provided
Floating nut
Thready Qty Per Inch (tpi)
24
Hardness Rating
Between 36.0 rockwell c and 43.0 rockwell c
Thread Size
0.312 inches
Material
Steel comp 4140 nut or steel comp 8740 nut or steel comp e4340 nut
Material Specification
Mil-s-5626 military specification 1st material response nut or mil-s-6049 military specification 2nd material response nut or mil-s-5000 military specification 3rd material response nut
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 federal specification single treatment response
Specification Data
80205-nas577 professional/industrial association standard
SL50 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE5EC17T0300 Locking, Ba Nut , Self 517 EA 12/21/2016
SPE4A718Q0158 Locking, Ba Nut , Self 508 EA 10/29/2017
SPE4A718T4417 Locking, Ba Nut , Self 458 EA 11/22/2017

Pricing and Availability

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SL50-5A Cross Reference
  • 642AS0728-1
  • 642A50728-1
  • LH2577-054
  • NAS577B-5A
  • LH2577-054
  • NAS577-5A