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Retaining Ring

Model / MPN: 11B5190588-1 | NSN: 5325-01-656-9840
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
Sold in multiples of
0 EA
Cross Sectional Shape
Casehardening Indicator
Outside Diameter
0.415 inches
Minor Thickness
0.023 inches
Major Thickness
0.027 inches
Ring Style
Material Diameter
Between 0.391 inches and 0.403 inches
Gap Opening
Opening 90 degrees or more
Usage Design
Material Hardness Rating
Between 51.0 rockwell c and 55.0 rockwell c
Strength Rating
120000.0 pounds per square inch tensile
Surface Treatment

Pricing and Availability

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11B5190588-1 Cross Reference
  • 6LD08