Model: MS16631-1281

Retaining Ring

Properties:

Cross Sectional Shape
Beveled one outside corner
Casehardening Indicator
Not casehardened
Outside Diameter
Between 3.091 inches and 3.161 inches
Minor Thickness
Between 0.070 inches and 0.074 inches
Major Thickness
Between 0.092 inches and 0.098 inches
Ring Style
Internal
Usage Design
Internal
Material Hardness Rating
Between 47.0 rockwell c and 52.0 rockwell c
Strength Rating
205000.0 pounds per square inch yield
Material
Steel, federal standard 66, comp 1066 or steel, federal standard 66, comp 1090
Material
Steel comp 1566 or steel comp 1090
Material Specification
Fed standard 66, comp 1066 federal standard 1st material response and federal standard 66, comp 1090 federal standard 2nd material response
Surface Treatment
Cadmium and chromate
Supplementary Features
Substitute for nsn 5365-00-285-6960 unplated finish
Surface Treatment
Cadmium, qq-p-416, type 2, class 3
Specification Data
96906-ms16631 government standard
NSN
5325-01-281-8720
Part Number
MS16631-1281
Description
Ring,retaining
CAGE
96906

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 MS16631-1281 NSN 5325-01-281-8720

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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