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NSN 4320-00-398-7846, 4320003987846
RING,WEARING

Federal Supply Classification
FSC 4320 - Power and Hand Pumps
National Item Identification Number
NIIN 003987846
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.
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DLMS® Summary

National Stock Number 4320-00-398-7846

National Stock Number (NSN) 4320-00-398-7846, or NIIN 003987846, (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 13 manufacturer part numbers associated with this NSN. 12 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. (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 4320003987846 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) COPPER ALLOY
BODY INSIDE DIAMETER
(ADAS) 2.469 INCHES NOMINAL
BODY OUTSIDE DIAMETER
(ADAR) 3.734 INCHES NOMINAL
BODY STYLE
(AAQL) PLAIN
BOLT CIRCLE DIAMETER
(ABKG) 3.125 INCHES NOMINAL
BOLT HOLE QUANTITY
(AECS) 3
CORNER SHAPE
(BZLX) SQUARE ALL CORNERS
OVERALL LENGTH
(ABHP) 0.391 INCHES NOMINAL
MATERIAL
(MATT) COPPER ALLOY
SPECIAL FEATURES
(FEAT) HOLES HAVE 0.438 IN. DIA COUNTERBORES
UNTHREADED MOUNTING HOLE DIAMETER
(AEBV) 0.281 INCHES NOMINAL

Manufacturer Part Numbers

166944L

RNCC
5
RNVC
9
384P

RNCC
5
RNVC
9
417P

RNCC
5
RNVC
9
994P

RNCC
5
RNVC
9
F166844L

RNCC
5
RNVC
9
SL4147PC38

RNCC
5
RNVC
9
SL4280PC38

RNCC
5
RNVC
9
SL4950PC38

RNCC
5
RNVC
9
SL5223PC38

RNCC
5
RNVC
9
SL5245PC38

RNCC
5
RNVC
9
SL5249PC38

RNCC
5
RNVC
9
SL5450PC35

RNCC
5
RNVC
9
SL6418PC38

RNCC
3
RNVC
9
SL6418PC38

RNCC
3
RNVC
2

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