Model: 12553

Retaining Ring

Properties:

Cross Sectional Shape

Rectangular

Inside Diameter

Between 0.164 inches and 0.170 inches

Casehardening Indicator

Not casehardened

Major Thickness

0.015 inches

Ring Style

External

Usage Design

External

Material

Beryllium copper

Material

Copper alloy

NSN

5325-00-102-9621

Part Number

12553

Description

Ring,retaining

CAGE

59501

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 12553 NSN 5325-00-102-9621

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 5325-00-102-9621 is a component of

Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
Phoenix (aim-54) Air-to-air Missile
Sparrow (aim-7) Air-to-air Missile
Los Angeles Class Ssn (688)
Sturgeon Class Ssn (637)
Ticonderoga Class Cg (47)
Spruance Class Dd (963)
Forrestal Class Cv
Nimitz Class Cvn
005430112
Radio Set Group
009465390
Radar Test Set
004002641
Photograph Darkroom
005781265
Antenna
006084515
Antenna

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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