Model: RRN0550

Retaining Ring

Properties:

Cross Sectional Shape
Double oval
Inside Diameter
4.995 inches
Casehardening Indicator
Not casehardened
Outside Diameter
5.550 inches
Major Thickness
Between 0.035 inches and 0.187 inches
Ring Style
Special flat
Usage Design
Internal
Material
Steel, federal standard 66, aisi/sae 1040
Material
Steel comp 1040
Material Specification
Fed standard 66 federal standard single material response or aisi 1040 assn standard single material response or sae 1040 assn standard single material response
NSN
5325-01-139-5838
Part Number
RRN0550
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 RRN0550 NSN 5325-01-139-5838

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:
U
ESD:
ESD:
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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