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Serrated Lock Ring

Model / MPN: 52511-230ADL | NSN: 5365-00-218-4927
ITAR Registered seal

A locking device which is serrated on the inside and outside diameters. It may have outer serrations omitted on one or two sides for close edge installation. The inner serrations engage the mating serrations of bolts, inserts, nuts, studs or similar items to be locked in place. The outer serrations broach their way into parent material when driven or pressed into place.

Product Details
NATO Stock Number
5365-00-218-4927
Sold in multiples of
1 EA
DEMIL
NO
Inside Diameter
Between 0.692 inches and 0.699 inches
Pilot Diameter
0.837 inches
Overall Height
0.176 inches
Overall Outside Diameter
Between 0.906 inches and 0.915 inches
Inner Serration Quantity
30
Side Outer Serrations Omitted For Close Edge Installation
Two sides
Material
Steel, federal standard 66, aisi/sae 1117
Material
Steel comp 1117
Surface Treatment
Cadmium and chromate
Surface Treatment
Cadmium, qq-p-416, type 2, class 3
Solicitations
Solicitation Description Qty UOM Close Date
SPE4A619T34W9 Ring, Lock, Serrated 145 EA 07/18/2019
SPE4A619T36Z3 Ring, Lock, Serrated 290 EA 07/23/2019
SPE4A620T4418 Ring, Lock, Serrated 475 EA 11/07/2019

Pricing and Availability

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52511-230ADL Cross Reference
  • AS51990
  • RLRR56SB11
  • MS51990-110P
  • MS51990-110P
  • MS51990
  • A-A-59558
  • AA59558-109