Model: 031278

Retaining Ring

Properties:

Cross Sectional Shape
Rectangular
Inside Diameter
Between 0.380 inches and 0.400 inches
Casehardening Indicator
Not casehardened
Outside Diameter
Between 0.623 inches and 0.627 inches
Major Thickness
Between 0.009 inches and 0.011 inches
Ring Style
Internal self-locking
Usage Design
Internal
Material
Steel, aisi 1074
Material
Steel comp 1074
Material Specification
Aisi 1074 assn standard single material response
Surface Treatment
Phosphate zinc
Surface Treatment
Phosphate, mil-p-16232, type z, class 2
NSN
5325-01-299-6170
Part Number
031278
Description
Ring,retaining
CAGE
K6111

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 031278 NSN 5325-01-299-6170

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:
WF
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
106460
UFC:
54740
LTL:
70.0
LCL:
70.0
WCC:
574
TCC:
Z
SHC:
Z
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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