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NSN 4320-00-398-7927, 4320003987927
RING,WEARING

Federal Supply Classification
FSC 4320 - Power and Hand Pumps
National Item Identification Number
NIIN 003987927
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 4320-00-398-7927

National Stock Number (NSN) 4320-00-398-7927, or NIIN 003987927, (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 10 manufacturer part numbers associated with this NSN. 10 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 Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 4320003987927 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

III MATERIAL
(MATT) NICKEL ALLOY
BODY INSIDE DIAMETER
(ADAS) 3.970 INCHES NOMINAL
BODY OUTSIDE DIAMETER
(ADAR) 4.377 INCHES NOMINAL
BODY STYLE
(AAQL) PLAIN
CORNER SHAPE
(BZLX) SQUARE ALL CORNERS
OVERALL LENGTH
(ABHP) 0.625 INCHES NOMINAL
MATERIAL
(MATT) NICKEL ALLOY

Manufacturer Part Numbers

167002E

RNCC
5
RNVC
9
716P

RNCC
5
RNVC
9
957P

RNCC
5
RNVC
9
970P

RNCC
5
RNVC
9
SL4149PC35

RNCC
5
RNVC
9
SL4848PC3516

RNCC
5
RNVC
9
SL4947PC41

RNCC
5
RNVC
9
SL5042PC41

RNCC
5
RNVC
9
SL5953PC35

RNCC
5
RNVC
9
SL6770PC5

RNCC
5
RNVC
9
SL4149PC35

RNCC
3
RNVC
2
970P

RNCC
3
RNVC
2
SL4848PC3516

RNCC
3
RNVC
2
SL5953PC35

RNCC
3
RNVC
2
SL6770PC5

RNCC
3
RNVC
2
167002E

RNCC
3
RNVC
2
716P

RNCC
3
RNVC
2
957P

RNCC
3
RNVC
2
SL4947PC41

RNCC
3
RNVC
2
SL5042PC41

RNCC
3
RNVC
2

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