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

Serrated Lock Ring

Model / MPN: D63276/2-4 | NSN: 5365-01-219-6252
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
5365-01-219-6252
Sold in multiples of
1 EA
DEMIL
NO
Inside Diameter
Between 10.46 millimeters and 10.66 millimeters
Pilot Diameter
Between 13.09 millimeters and 13.11 millimeters
Overall Height
Between 3.75 millimeters and 4.05 millimeters
Overall Outside Diameter
Between 14.63 millimeters and 14.83 millimeters
Outer Serration Quantity
12
Inner Serration Quantity
21
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 and chromate
Solicitations
Solicitation Description Qty UOM Close Date
SPE4A617TN360 Ring, Lock, Serrated 92 EA 04/24/2017
SPE4A618T466K Ring, Lock, Serrated 100 EA 02/23/2018
SPE4A620T369U Ring, Lock, Serrated 90 EA 02/12/2020

Pricing and Availability

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D63276/2-4 Cross Reference
  • DOD-I-63276/2
  • RLRRM14SC
  • 1276-12-117
  • 14LN0029558