Model: MIL-DTL-27426

Retaining Ring

Properties:

Cross Sectional Shape
Double oval
Inside Diameter
Between 3.571 inches and 3.606 inches
Casehardening Indicator
Not casehardened
Outside Diameter
Between 4.121 inches and 4.176 inches
Major Thickness
Between 0.108 inches and 0.114 inches
Ring Style
Special flat
Usage Design
Internal
Material Hardness Rating
Between 39.8 rockwell c and 48.5 rockwell c
Material
Steel, federal standard 66, aisi 302/sae 30302 or steel, mil-s-5059, type 302
Material
Steel comp 302 or steel comp 302
Material Specification
Fed standard 66 federal standard 1st material response or aisi 302 assn standard single material response or sae 30302 assn standard single material response and mil-s-5059, type 302 military specification 2nd material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Surface Treatment
Passivated, qq-p-35
Nondefinitive Specification/std Data
B type and 2 class
NSN
5325-01-172-0361
Part Number
MIL-DTL-27426
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 MIL-DTL-27426 NSN 5325-01-172-0361

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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