NSN 4320-21-920-3232, 4320219203232
PUMP UNIT,CENTRIFUGAL

Federal Supply Classification: FSC 4320 - Power and Hand Pumps
National Item Identification Number: NIIN 219203232
Codification Country: Canada
Item Name Code: INC 17988
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 4320-21-920-3232

National Stock Number (NSN) 4320-21-920-3232, or NIIN 219203232, (pump unit,centrifugal) has an unknown assigned date. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 17988. [AN ASSEMBLED UNIT CONSISTING OF A COMMONLY MOUNTED CENTRIFUGAL PUMP(S), PRIME MOVER(S), AND THE NECESSARY COMPONENTS TO PROVIDE FOR A COMPLETE OPERATION.].

This information was last updated on Feb 02, 2026.

Technical Characteristics

MAXIMUM OPERATING TEMP: (AEHZ) UNABLE TO DECODE
FLANGE SHAPE: (ARKN) ROUND 1ST END
MATERIAL: (MATT) STEEL OVERALL
MAXIMUM OPERATING TEMP: (AEHZ) 200.0 FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPE: (AWLS) FLANGE 1ST END
MAXIMUM OPERATING PRESSURE: (CQGM) 350.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
LEG LENGTH: (AHSJ) 3.250 INCHES NOMINAL 1ST END
LEG LENGTH: (AHSJ) 5.390 INCHES NOMINAL 2ND END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: (CWDW) 1.810 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: (CWDZ) 2.220 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: (CWDZ) UNABLE TO DECODE
NOMINAL THICKNESS: (CWCK) UNABLE TO DECODE
CONNECTION STYLE: (AHNC) GRIPPING NIPPLE (NOSE) 2ND END
NOMINAL OUTSIDE DIAMETER: (CWCD) UNABLE TO DECODE
FLANGE SHAPE: (ARKN) UNABLE TO DECODE
CONNECTION TYPE: (AWLS) THREADED EXTERNAL HOSE GRIPPING 2ND END
LEG LENGTH: (AHSJ) UNABLE TO DECODE
NOMINAL THICKNESS: (CWCK) 0.375 INCHES ALL ENDS
MAXIMUM OPERATING TEMP: (AEHZ) 200.0 DEG FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE: (CQGM) UNABLE TO DECODE
FLANGE FACE DESIGN: (CWDF) UNABLE TO DECODE
CONNECTION STYLE: (AHNC) UNABLE TO DECODE
FURNISHED ITEMS AND QUANTITY: (TMQY) 1 HOSE COUPLING NUT
FLOW ANGLE: (CRFY) 90.0 DEGREES
CONNECTION TYPE: (AWLS) UNABLE TO DECODE
NOMINAL OUTSIDE DIAMETER: (CWCD) 2.812 INCHES 1ST END
FLANGE FACE DESIGN: (CWDF) PLAIN WITH GASKET GROOVE 1ST END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: (CWDW) UNABLE TO DECODE
MATERIAL: (MATT) UNABLE TO DECODE