Model: 500403-4

Retaining Ring

Properties:

Cross Sectional Shape

Rectangular

Inside Diameter

Between 0.175 inches and 0.181 inches

Casehardening Indicator

Not casehardened

Major Thickness

Between 0.013 inches and 0.017 inches

Ring Style

External

Usage Design

External

Material Hardness Rating

Between 77.0 rockwell superficial 15-n and 82.0 rockwell superficial 15-n

Material

Beryllium copper, fed, qq-c533, condition ht

Material

Beryllium copper, fed, qq-c533, condition ht

NSN

5325-00-282-7127

Part Number

500403-4

Description

Ring,retaining

CAGE

22525

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 500403-4 NSN 5325-00-282-7127

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

07623

FIIG:

T252-G

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

095190

UFC:

49790

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5325-00-282-7127 is a component of

Hawkeye E-2c Aircraft
Ch-53a/d/e Helicopter
Rh-53 Helicopter
Prowler Ea-6b Aircraft
Aircraft T-64 Engine
Hercules C-130f Aircraft
Hercules Kc-130 Aircraft
Orion P-3 Aircraft
L.p. Compressors
007729171
Intermediate Frequency Amplifier
000750495
Receiver Signal Selector

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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