PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

XD2-1/2APump,rotary

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 4320-01-485-8185 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-485-8185 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-485-8185. Primary manufacturer part number: XD2-1/2A.
Features
  • Pump,rotary — FSC 4320
  • Rotary Pump Design: VANE
  • Drive Shaft Type: KEY TYPE, EXTERNAL
  • Pump Rotation Direction: CLOCKWISE
  • Operation Method: POWERED
  • Mounting Type: FLANGE
  • Media for Which Designed: HYDROCARBON FUELS AND OILS
  • 3 verified cross-references
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-01-485-8185, 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. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-485-8185
Primary Part NumberXD2-1/2A
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusACTIVE
Rotary Pump DesignVANE
Drive Shaft TypeKEY TYPE, EXTERNAL
Pump Rotation DirectionCLOCKWISE
Operation MethodPOWERED
Mounting TypeFLANGE
Media for Which DesignedHYDROCARBON FUELS AND OILS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-057233462 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5945-00-102-9508120-10008 INTERCHANGEABLE
Solenoid,electrical
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5940-00-204-873518-141 INTERCHANGEABLE
Terminal Board
Cinch Connectivity Solutions Inc.
5950-00-646-515018141 INTERCHANGEABLE
Transformer,power
Magnetika Inc Div Magnetika/phillipsburg Location
2920-00-695-5926 INTERCHANGEABLE
Drive,engine,electrical Starter
1650-00-724-085718141 INTERCHANGEABLE
Rod,piston,linear Actuating Cyli
Cadillac Gage Textron Inc.
5935-01-013-11471609 INTERCHANGEABLE
Connector,plug,electrical
Ted Manufacturing Corp Div Ted Manufacturing Corporation
3510-01-165-887418141 INTERCHANGEABLE
Padding Flannel,laundry Press,co
Forenta Lp
4910-01-211-21954206T1 INTERCHANGEABLE
Drip Pan,oil
Robinson Industries, Inc.
4130-01-460-3197 INTERCHANGEABLE
Vacu-Discs
Cross-Reference Index
Part NumberManufacturer
18141 Pernin Equipements (FRA)
SYR0241 Naval Group Site De Lorient (FRA)
XD2-1/2A PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
3110-00-100-0572INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
33462
5945-00-102-9508INTERCHANGEABLE
SOLENOID,ELECTRICAL
120-10008
5940-00-204-8735INTERCHANGEABLE
TERMINAL BOARD
18-141
5950-00-646-5150INTERCHANGEABLE
TRANSFORMER,POWER
18141
2920-00-695-5926INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
1650-00-724-0857INTERCHANGEABLE
ROD,PISTON,LINEAR ACTUATING CYLI
18141
5935-01-013-1147INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1609
3510-01-165-8874INTERCHANGEABLE
PADDING FLANNEL,LAUNDRY PRESS,CO
18141
4910-01-211-2195INTERCHANGEABLE
DRIP PAN,OIL
4206T1
4130-01-460-3197INTERCHANGEABLE
VACU-DISCS

Frequently Asked Questions

What is NSN 4320-01-485-8185?

NSN 4320-01-485-8185 is a Pump,rotary, 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 4320-01-485-8185?

NSN 4320-01-485-8185 has 3 cross-referenced part numbers: 18141 (Pernin Equipements), SYR0241 (Naval Group Site De Lorient), XD2-1/2A (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 4320-01-485-8185?

There are 10 known substitutes for 4320-01-485-8185: 3110-00-100-0572, 5945-00-102-9508, 5940-00-204-8735 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of XD2-1/2A?

Key specifications for XD2-1/2A: Rotary Pump Design: VANE; Drive Shaft Type: KEY TYPE, EXTERNAL; Special Features: MATL CAST IRON; 2.500 IN NPT FLANGE PORT; MAX TEMP 240 DEG F; 20000 SSU MAX VISCOSITY; MAX DIFF PRESSURE 125 PSI; MAX WORKING PRESSURE 175 PSI IN; Pump Rotation Direction: CLOCKWISE. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com