Model: M2742610138D

Retaining Ring

Properties:

Cross Sectional Shape
Double oval
Inside Diameter
Between 1.483 inches and 1.503 inches
Casehardening Indicator
Not casehardened
Outside Diameter
Between 1.689 inches and 1.725 inches
Major Thickness
Between 0.046 inches and 0.052 inches
Ring Style
Special flat
End Application
Weapons bay d; aircraft, b-2 bomber (atb)
Usage Design
External
Material Hardness Rating
Between 71.0 rockwell a and 77.5 rockwell a
Material
Steel, corrosion resisting
Material
Stainless steel
Surface Treatment
Passivate
Surface Treatment
Passivated, qq-p-35
Specification Data
81349-mil-dtl-27426 government specification
NSN
5325-01-473-2884
Part Number
M2742610138D
Description
Ring,retaining
CAGE
81349

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 M2742610138D NSN 5325-01-473-2884

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:
SX
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:
Equipment for Aircraft

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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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