Model: RS387-5

Retaining Ring

Properties:

Cross Sectional Shape
Double oval
Inside Diameter
3.724 inches
Casehardening Indicator
Not casehardened
Outside Diameter
3.875 inches
Major Thickness
0.061 inches
Ring Style
Spiral
Usage Design
External
Material Hardness Rating
Between 40.0 rockwell c and 51.5 rockwell c
Material
Steel, mil-s-46049, comp 1065 or steel, mil-s-46049, comp 1074 or steel, mil-s-46049, comp 1085
Material
Steel comp 1065 or steel comp 1074 or steel comp 1085
Material Specification
Mil-s-46049, comp 1065 military specification 1st material response and mil-s-46049, comp 1074 military specification 2nd material response and mil-s-46049, comp 1085 military specification 3rd material response
Surface Treatment
Cadmium and chromate
Surface Treatment
Cadmium, qq-p-416, type 2, class 2
NSN
5325-01-337-2810
Part Number
RS387-5
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 RS387-5 NSN 5325-01-337-2810

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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