Model: MILR21248

Retaining Ring

Properties:

Cross Sectional Shape

Rectangular

Casehardening Indicator

Not casehardened

Outside Diameter

Between 4.263 inches and 4.313 inches

Major Thickness

Between 0.106 inches and 0.112 inches

Ring Style

Internal

End Application

W/s: forrestal class cv; spruance class dd (963); nimitz class cvn; kidd class ddg; ticonderoga class cg (47); armored combat earthmover (m9); mk 28, 5-inch 38 caliber twin gun mount; low pressure (lp) dry air-dehydrators; lighter amphibious sp, 60-ton, larc-lx

Usage Design

Internal

Material Hardness Rating

Between 45.0 rockwell c and 52.0 rockwell c

Material

Steel, fed standard 66, 1066 to 1090

Material

Steel, fed standard 66, 1066 to 1090

Surface Treatment

Cadmium

Surface Treatment

Cadmium plated

NSN

5325-00-260-4883

Part Number

MILR21248

Description

Ring,retaining

CAGE

81349

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 MILR21248 NSN 5325-00-260-4883

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:

70.0

LCL:

WCC:

713

TCC:

SHC:

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