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NSN 4320-00-398-8493, 4320003988493
RING,WEARING

Federal Supply Classification
FSC 4320 - Power and Hand Pumps
National Item Identification Number
NIIN 003988493
Codification Country
United States
Item Name Code
INC 22534
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 4320-00-398-8493

National Stock Number (NSN) 4320-00-398-8493, or NIIN 003988493, (ring,wearing) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 8 manufacturer part numbers associated with this NSN. 8 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 10, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 22534. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4320003988493 contains an unknown precious metal.

This NSN is associated to Schedule B 8413919520: parts, nesoi, of pumps for liquids. The Schedule B End Use is listed as industrial engines. NAICS classification category 333911: pump and pumping equipment manufacturing.

This information was last updated on .


Technical Characteristics

BODY INSIDE DIAMETER
(ADAS) 5.000 INCHES NOMINAL
BODY OUTSIDE DIAMETER
(ADAR) 5.500 INCHES NOMINAL
BODY STYLE
(AAQL) EXTERNAL FLANGE
BOLT HOLE QUANTITY
(AECS) 8
BOLT CIRCLE DIAMETER
(ABKG) 7.000 INCHES NOMINAL
COUNTERBORE DIAMETER
(AAWY) 0.438 INCHES NOMINAL
CORNER SHAPE
(BZLX) SQUARE ALL CORNERS
COUNTERBORE DEPTH
(AAWZ) 0.250 INCHES NOMINAL
FLANGE DIAMETER
(ABKK) 7.623 INCHES NOMINAL
LEFT SIDE FLANGE THICKNESS
(ADXL) 0.438 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 0.750 INCHES NOMINAL
MATERIAL
(MATT) NICKEL ALLOY
UNTHREADED MOUNTING HOLE DIAMETER
(AEBV) 0.281 INCHES NOMINAL
III MATERIAL
(MATT) NICKEL ALLOY

Manufacturer Part Numbers

2552025

RNCC
5
RNVC
9
523P

RNCC
5
RNVC
9
SL5200PC41

RNCC
5
RNVC
9
SL5202PC41

RNCC
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RNVC
9
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5
RNVC
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5
RNVC
9
SL6534PC41

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5
RNVC
9
SL6536PC41

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RNVC
9
523P

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3
RNVC
2
SL6024PC41

RNCC
3
RNVC
2
SL6534PC41

RNCC
3
RNVC
2
SL5200PC41

RNCC
3
RNVC
2
SL5202PC41

RNCC
3
RNVC
2
SL6022PC41

RNCC
3
RNVC
2
SL6536PC41

RNCC
3
RNVC
2
2552025

RNCC
3
RNVC
2

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