A155-264PC57

Wearing Ring

NSN 4320-00-097-0842

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
000970842

Product Features

One positioning lug 0.250 in. Diameter by 0.250 in. Lg locatedon periphery of body, 0.312 in. From inside of, flange tocenter of hole

Detail Specifications

Body Style:
External flange
Overall Length:
0.812 inches
Flange Diameter:
4.250 inches
Body Outside Diameter:
Between 4.000 inches and 4.001 inches
Body Inside Diameter:
Between 3.499 inches and 3.500 inches
Left Side Flange Thickness:
0.125 inches
Corner Shape:
Square all corners
Surface Finish:
125.0 microinches inside
Surface Finish:
125.0 microinches outside
Surface Finish:
125.0 microinches left face
Surface Finish:
125.0 microinches right face
Material:
Copper alloy
NSN:
4320-00-097-0842
Item Name:
Ring,case,back,undersize
Cage Code:
77212

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
57-2-4
Cage Code:
77212
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22534
FIIG:
A19900
Concept No.:
App. Key:
A
Cond. Code:
2
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
128000
UFC:
64870
LTL:
85.0
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Pricing & Availability

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Privacy | Terms

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.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
DSOR:
Import / Export
  • Schedule B: 8413919520
  • SITC: 74291
  • End Use: Industrial engines
  • NAICS: 333911
  • USDA: 1

Classification: Parts, nesoi, of pumps for liquids


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