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NSN 4320-00-540-2539, 4320005402539
RING,WEARING

Federal Supply Classification
FSC 4320 - Power and Hand Pumps
National Item Identification Number
NIIN 005402539
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 4320-00-540-2539

National Stock Number (NSN) 4320-00-540-2539, or NIIN 005402539, (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 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 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 4320005402539 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) 4.845 INCHES NOMINAL
BODY OUTSIDE DIAMETER
(ADAR) 5.378 INCHES NOMINAL
BODY STYLE
(AAQL) PLAIN
CORNER SHAPE
(BZLX) SQUARE ALL CORNERS
OVERALL LENGTH
(ABHP) 0.750 INCHES NOMINAL
MATERIAL
(MATT) COPPER ALLOY
SURFACE FINISH
(CSYM) 125.0 MICROINCHES ALL SURFACES
III MATERIAL
(MATT) COPPER ALLOY

Manufacturer Part Numbers

10144

RNCC
5
RNVC
2
15917P

RNCC
5
RNVC
9
3257851

RNCC
3
RNVC
2
RY110372

RNCC
5
RNVC
9
RY110372

RNCC
5
RNVC
2

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