Model: SK251-22

Retaining Ring

Properties:

Cross Sectional Shape
Rectangular
Inside Diameter
Between 1.870 inches and 1.875 inches
Casehardening Indicator
Not casehardened
Outside Diameter
Between 2.245 inches and 2.250 inches
Major Thickness
Between 0.123 inches and 0.126 inches
End Style
Vertex outside periphery
Ring Style
Straight gap
Usage Design
External
Material Hardness Rating
Between 43.0 rockwell c and 48.0 rockwell c
Material
Steel, sae, 6150
Material
Steel, sae, 6150
NSN
5325-00-285-7129
Part Number
SK251-22
Description
Ring,retaining
CAGE
89749

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 SK251-22 NSN 5325-00-285-7129

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
063520
UFC:
49770
LTL:
RATING VARIABLE
LCL:
70.0
WCC:
723
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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