Model: M2742640165B

Retaining Ring

Properties:

Cross Sectional Shape
Double oval
Inside Diameter
Between 3.877 inches and 3.912 inches
Casehardening Indicator
Not casehardened
Outside Diameter
Between 4.501 inches and 4.536 inches
Major Thickness
Between 0.108 inches and 0.115 inches
Ring Style
Special flat
Usage Design
Internal
Material Hardness Rating
Between 40.0 rockwell c and 51.5 rockwell c
Strength Rating
211000.0 pounds per square inch tensile
Material
Steel, mil-s-46049, comp 1074 or steel, mil-s-46049, comp 1085
Material
Steel comp 1074 or steel comp 1085
Material Specification
Mil-s-46049, comp 1074 military specification 1st material response and mil-s-46049, comp 1085 military specification 2nd material response
Surface Treatment
Cadmium and chromate
Surface Treatment
Cadmium, qq-p-416, type 2, class 2
NSN
5325-01-342-2851
Part Number
M2742640165B
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 M2742640165B NSN 5325-01-342-2851

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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