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NSN 4320-00-398-8250, 4320003988250
RING,WEARING

Federal Supply Classification
FSC 4320 - Power and Hand Pumps
National Item Identification Number
NIIN 003988250
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 4320-00-398-8250

National Stock Number (NSN) 4320-00-398-8250, or NIIN 003988250, (ring,wearing) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 7 manufacturer part numbers associated with this NSN. 6 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.

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 4320003988250 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

BODY STYLE
(AAQL) PLAIN
OVERALL LENGTH
(ABHP) 1.438 INCHES NOMINAL
III MATERIAL
(MATT) COPPER ALLOY
MATERIAL
(MATT) COPPER ALLOY
BODY OUTSIDE DIAMETER
(ADAR) 7.500 INCHES NOMINAL
BODY INSIDE DIAMETER
(ADAS) 6.688 INCHES NOMINAL
CORNER SHAPE
(BZLX) SQUARE ALL CORNERS

Manufacturer Part Numbers

2551699

RNCC
5
RNVC
9
565P

RNCC
3
RNVC
9
SL4991PC53

RNCC
5
RNVC
9
SL5336PC64

RNCC
5
RNVC
9
SL5339PC64

RNCC
5
RNVC
9
SL6138PC53

RNCC
5
RNVC
9
SL6668PC53

RNCC
5
RNVC
9
2551699

RNCC
5
RNVC
2
565P

RNCC
3
RNVC
2

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