Model: 821521

Retaining Ring

Properties:

Cross Sectional Shape
Rectangular
Inside Diameter
Between 0.091 inches and 0.095 inches
Casehardening Indicator
Not casehardened
Major Thickness
Between 0.013 inches and 0.017 inches
Ring Style
E
Usage Design
External
Material Hardness Rating
Between 48.0 rockwell c and 53.0 rockwell c
Material
Steel, federal standard 66, comp 1060 or steel, federal standard 66, comp 1061 or steel, federal standard 66, comp 1064 or steel, federal standard 66, comp 1065
Material
Steel comp 1060 or steel comp 1561 or steel comp 1064 or steel comp 1065
Material Specification
Fed standard 66, comp 1060 federal standard 1st material response and federal standard 66, comp 1061 federal standard 2nd material response and federal standard 66, comp 1064 federal standard 3rd material response and federal standard 66, comp 1065 federal standard 4th material response
NSN
5325-00-050-9203
Part Number
821521
Description
Ring,retaining
CAGE
33005

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 821521 NSN 5325-00-050-9203

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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
095190
UFC:
49790
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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