Model: UR-312

Retaining Ring

Properties:

Cross Sectional Shape
Rectangular
Inside Diameter
Between 3.057 inches and 3.067 inches
Outside Diameter
Between 3.251 inches and 3.281 inches
Major Thickness
Between 0.029 inches and 0.033 inches
Ring Style
Special
End Application
C17a aircraft
Usage Design
Internal
Material
Steel, aisi 1070
Material
Steel comp 1070
Material Specification
Aisi 1070 assn standard single material response
NSN
5325-01-544-2460
Part Number
UR-312
Description
Ring,retaining
CAGE

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 UR-312 NSN 5325-01-544-2460

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:
ESD:
MMAC:
BA
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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