Model: R273NAA0018NN643NNAA1

Retaining Ring

Properties:

Cross Sectional Shape

Rectangular

Inside Diameter

Between 0.164 inches and 0.170 inches

Casehardening Indicator

Not casehardened

Major Thickness

Between 0.013 inches and 0.017 inches

Ring Style

External bowed

Usage Design

External

Material Hardness Rating

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

Strength Rating

200000.0 pounds per square inch tensile

End Play Takeup

Between 0.017 inches and 0.025 inches

Material

Copper alloy, qq-c-533

Material

Copper alloy 170 or copper alloy 172

Material Specification

Qq-c-533 federal specification single material response

NSN

5325-01-212-2258

Part Number

R273NAA0018NN643NNAA1

Description

Ring,retaining

CAGE

05047

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 R273NAA0018NN643NNAA1 NSN 5325-01-212-2258

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 5325-01-212-2258 is a component of

An/uyk-44(v) Computer
An/bsy-1(v) Sonar
2350-01-328-5964 (eaa Cmbt85pk3) M1a2 Abrams Tank
Low Altitute Navigation & Targeting Infrared System(lantirn)
Los Angeles Class Ssn (688)
Sturgeon Class Ssn (637)
Ticonderoga Class Cg (47)
Spruance Class Dd (963)
Forrestal Class Cv
012685733
Opti Relay Assembly
218894612
Elect Control Panel

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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