Model: 2578843-001A

Retaining Ring

Properties:

Cross Sectional Shape
Round
Inside Diameter
Between 4.072 inches and 4.140 inches
Casehardening Indicator
Not casehardened
Outside Diameter
Between 4.450 inches and 4.510 inches
End Style
90 degree parallel
Ring Style
Straight gap
Material Diameter
0.185 mils and 0.189 centimeters
Material Diameter
Between 0.185 inches and 0.189 inches
Usage Design
External
Material
Steel, qq-w-423, comp 302, cond b or steel, qq-w-423, comp 304, cond b
Material
Steel comp 302 or steel comp 304
Material Specification
Qq-w-423, comp 302, cond b federal specification 1st material response and qq-w-423, comp 304, cond b federal specification 2nd material response
Surface Treatment
Passivate
Surface Treatment
Passivated cp-0520 06848
NSN
5325-00-478-2745
Part Number
2578843-001A
Description
Ring,retaining
CAGE
17576

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 2578843-001A NSN 5325-00-478-2745

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

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:
095190
UFC:
49790
LTL:
70.0
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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