PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

221650Rotor,pump

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 4320-01-320-2940 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-320-2940 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-320-2940. Primary manufacturer part number: 221650.
Features
  • Rotor,pump — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Rotor,pump, cataloged under National Stock Number 4320-01-320-2940, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-320-2940
Primary Part Number221650
Item NameRotor,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-401-7703 INTERCHANGEABLE
Rectifier,semiconductor Device,u
Cross-Reference Index
Part NumberManufacturer
221650 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
5961-00-401-7703INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U

Frequently Asked Questions

What is NSN 4320-01-320-2940?

NSN 4320-01-320-2940 is a Rotor,pump, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-320-2940?

NSN 4320-01-320-2940 has 1 cross-referenced part number: 221650 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 4320-01-320-2940?

There is 1 known substitute for 4320-01-320-2940: 5961-00-401-7703. Verify interchangeability with system specifications before substitution.

What are the specifications of 221650?

Key specifications for 221650: End Item Identification: ROTARY PUMP. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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