Model: RSN-81CD

Retaining Ring

Properties:

Cross Sectional Shape
Double oval
Inside Diameter
Between 0.743 inches and 0.756 inches
Casehardening Indicator
Not casehardened
Outside Diameter
0.877 inches
Major Thickness
Between 0.040 inches and 0.044 inches
Ring Style
Spiral
Usage Design
External
Material Hardness Rating
Between 71.0 rockwell a and 77.5 rockwell a
Material
Steel, aisi 1070 or steel, aisi 1074 or steel, aisi 1078 or steel, aisi 1080 or steel, aisi 1084 or steel, aisi 1085 or steel, aisi 1090
Material
Steel comp 1070 or steel comp 1074 or steel comp 1078 or steel comp 1080 or steel comp 1084 or steel comp 1085 or steel comp 1090
Material Specification
Aisi 1070 assn standard 1st material response and aisi 1074 assn standard 2nd material response and aisi 1078 assn standard 3rd material response and aisi 1080 assn standard 4th material response and aisi 1084 assn standard 5th material response and aisi 1085 assn standard 6th material response and aisi 1090 assn standard 7th material response
Surface Treatment
Cadmium and chromate
Surface Treatment
Cadmium, qq-p-416, type 2, class 2
Specification Data
81349-mil-r-27426a government specification
NSN
5325-01-320-8513
Part Number
RSN-81CD
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 RSN-81CD NSN 5325-01-320-8513

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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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