R99A

Wearing Ring

NSN 4320-00-479-8862

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

004798862

Product Technical Spec.

Body Style:

Grooved

Groove Depth:

0.031 inches

Groove Width:

0.125 inches

Overall Length:

0.625 inches

Body Outside Diameter:

Between 4.500 inches and 4.502 inches

Body Inside Diameter:

Between 4.000 inches and 4.002 inches

Distance From End To Groove Center:

0.125 inches

Groove Quantity:

Corner Shape:

Square inside right corner

Corner Shape:

Square inside left corner

Corner Shape:

Square outside left corner

Corner Shape:

Square outside right corner

Material:

Steel comp 303

NSN:

4320-00-479-8862

Item Name:

Ring,case,back,undersize

Cage Code:

63857

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

CS4320-0302

Cage Code:

16236

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

B-99

Cage Code:

63857

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

R-523PIECE9

Cage Code:

63857

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

55-22049-190/S

Cage Code:

52081

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

B174A

Cage Code:

63857

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22534

FIIG:

A19900

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

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:

0.7000lbs

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:

128000

UFC:

64870

LTL:

85.0

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Pricing & Availability

Submit this form for current pricing and availability quote on part number r99a and/or cross reference parts.

Definition Definition of approved item name (AIN): "Undersize Back Case Ring"

A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.