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NSN 4320-00-394-6229, 4320003946229
RING,WEARING

Federal Supply Classification
FSC 4320 - Power and Hand Pumps
National Item Identification Number
NIIN 003946229
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 4320-00-394-6229

National Stock Number (NSN) 4320-00-394-6229, or NIIN 003946229, (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 9 manufacturer part numbers associated with this NSN. 9 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, 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 4320003946229 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) 2.610 INCHES MINIMUM AND 2.612 INCHES MAXIMUM
BODY OUTSIDE DIAMETER
(ADAR) 3.620 INCHES MINIMUM AND 3.623 INCHES MAXIMUM
BODY STYLE
(AAQL) EXTERNAL LOCKING FLANGE
CORNER SHAPE
(BZLX) SQUARE ALL CORNERS
DISTANCE BELOW CENTERLINE
(AYRM) 0.250 INCHES NOMINAL
DISTANCE BETWEEN FLANGES
(AGRS) 0.252 INCHES NOMINAL
END TO FLANGE DISTANCE
(AJFM) 0.437 INCHES NOMINAL
FLANGE DIAMETER
(ABKK) 4.062 INCHES NOMINAL
LARGEST EXTERNAL ANCHOR FLANGE RADIUS
(AYRL) 2.031 INCHES NOMINAL
LEFT SIDE FLANGE THICKNESS
(ADXL) 0.188 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 0.625 INCHES NOMINAL
MATERIAL
(MATT) NICKEL ALLOY
RIGHT SIDE FLANGE THICKNESS
(ADXM) 0.188 INCHES NOMINAL
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS
(AYRK) 1.688 INCHES NOMINAL

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