Model: RR-250-CD

Retaining Ring

Properties:

Cross Sectional Shape
Double oval
Inside Diameter
2.500 inches
Casehardening Indicator
Not casehardened
Outside Diameter
2.606 inches
Major Thickness
Between 0.024 inches and 0.049 inches
Ring Style
Special flat
Usage Design
Internal
Material Hardness Rating
Between 72.8 rockwell a and 77.5 rockwell a
Strength Rating
221000.0 pounds per square inch tensile
Material
Steel
Material
Steel
Surface Treatment
Cadmium and dichromate
Surface Treatment
Cadmium, dichromate treated
NSN
5325-01-492-2711
Part Number
RR-250-CD
Description
Ring,retaining
CAGE
80756

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 part(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.

Part RR-250-CD NSN 5325-01-492-2711

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
07623
FIIG:
T252-G
Concept No.:
App. Key:
GA
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 9606100000
  • SITC: 89983
  • End Use: Finished textile supplies
  • NAICS: 339993
  • USDA: 1

Freight Class: Press-fasteners, snap-fasteners & press-studs & parts therefor

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