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Retaining Ring

Model / MPN: M2742630179B | NSN: 5325-01-305-0525
ITAR Registered seal

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a par (s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes ring, connecting, round.

Product Details
NATO Stock Number
5325-01-305-0525
Sold in multiples of
EA
DEMIL
NO
Cross Sectional Shape
Double oval
Inside Diameter
3.103 inches
Casehardening Indicator
Not casehardened
Outside Diameter
Between 3.479 inches and 3.509 inches
Major Thickness
Between 0.060 inches and 0.066 inches
Ring Style
Special flat
Usage Design
Internal
Material Hardness Rating
Between 40.0 rockwell c and 51.5 rockwell c
Strength Rating
211000.0 pounds per square inch tensile
Material
Steel, mil-s-46049, comp 1065 or steel, mil-s-46049, comp 1074 or steel, mil-s-46049, comp 1085 or steel, mil-s-46049, comp 1095 or steel, aisi 1070 or steel, aisi 1074 or steel, aisi 1078 or steel, aisi 1080 or steel, aisi 1084 or steel, aisi 1085 or steel, aisi 1090 or steel, aisi 1095
Material
Steel comp 1065 or steel comp 1074 or steel comp 1085 or steel comp 1095 or steel comp 1070 or steel comp 1074 or steel comp 1078 or steel comp 1080 or steel comp 1084 or steel comp 1085 or steel comp 1090 or steel comp 1095
Material Specification
Mil-s-46049, comp 1065 military specification 1st material response and mil-s-46049, comp 1074 military specification 2nd material response and mil-s-46049, comp 1085 military specification 3rd material response and mil-s-46049, comp 1095 military specification 4th material response and aisi 1070 assn standard 5th material response and aisi 1074 assn standard 6th material response and aisi 1078 assn standard 7th material response and aisi 1080 assn standard 8th material response and aisi 1084 assn standard 9th material response and aisi 1085 assn standard 10th material response and aisi 1090 assn standard 11th material response and aisi 1095 assn standard 12th material response
Surface Treatment
Cadmium and chromate
Surface Treatment
Cadmium, qq-p-416, type 2, class 2
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E417T6387 Ring, Retaining 25 EA 02/17/2017
SPE5E418T4503 Ring, Retaining 33 EA 01/18/2018

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M2742630179B Cross Reference
  • MIL-DTL-27426
  • RR-334CD