Model: CA21239C4R

Retaining Ring

Special Features:

Original name-retainer

Properties:

Cross Sectional Shape
Grooved inside corner
Inside Diameter
Between 0.327 inches and 0.337 inches
Casehardening Indicator
Not casehardened
Outside Diameter
Between 0.429 inches and 0.434 inches
Minor Thickness
Between 0.038 inches and 0.042 inches
Major Thickness
Between 0.086 inches and 0.090 inches
End Style
90 degree parallel
Ring Style
Straight gap
End Application
F-16
Usage Design
External
Material
Steel, ams 5643, 17-4ph
Material
Steel comp 630
Material Specification
Ams 5643, 17-4ph assn standard single material response
Surface Treatment
Cadmium and chromate
Surface Treatment
Cadmium, qq-p-416, type 2, class 2
NSN
5325-01-420-2439
Part Number
CA21239C4R
Description
Ring,retaining
CAGE
29372

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 CA21239C4R NSN 5325-01-420-2439

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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