PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E2012Pump,rotary

Naval Inventory Control Point Mechanicsburg · NSN 4320-00-541-1565 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-541-1565 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-541-1565. Primary manufacturer part number: E2012.
Features
  • Pump,rotary — FSC 4320
  • Drive Connection Type: FLEXIBLE COUPLED
  • Media for Which Designed: OIL
  • Volume Control Type: ROTARY
  • Drive Shaft Type: WOODRUFF KEYWAY AND TAPERED
  • Drive Shaft End Diameter: 0.875 INCHES NOMINAL IN
  • Drive Shaft Length: 9.500 INCHES NOMINAL IN
  • Operation Method: POWERED
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-00-541-1565, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN4320-00-541-1565
Primary Part NumberE2012
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Drive Connection TypeFLEXIBLE COUPLED
Media for Which DesignedOIL
Volume Control TypeROTARY
Drive Shaft TypeWOODRUFF KEYWAY AND TAPERED
Drive Shaft End Diameter0.875 INCHES NOMINAL IN
Drive Shaft Length9.500 INCHES NOMINAL IN
Operation MethodPOWERED
Intake Connection TypeROUND FLANGE
Rotary Pump DesignVANE
Discharge Pressure0.0 COMPREHENSIVE PROCUREMENT GUIDELINE - VEHICULAR PRODUCTS - REBUILT VEHICULAR PARTS
Pumping Element Operating PositionHORIZONTAL
Intake Connection Quantity1
Mounting TypeBASE
Operating Speed at Rated Capacity480.0 REVOLUTIONS PER MINUTE
Total Head104.000 FEET FT
Discharge Connection Quantity1
Pump Rotation DirectionCOUNTERCLOCKWISE
Maximum Discharge Flow Rate50.0 GALLONS PER MINUTE
Discharge Connection TypeROUND FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6850-01-495-0148E-2000 INTERCHANGEABLE
Chemical Remover
Mcgean-Rohco, Inc Div Cee-Bee Innovative Aviation Chemistry
Cross-Reference Index
Part NumberManufacturer
E-2012 LESS SPA Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
E2012 PRIMARY Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
6850-01-495-0148INTERCHANGEABLE
CHEMICAL REMOVER
E-2000

Frequently Asked Questions

What is NSN 4320-00-541-1565?

NSN 4320-00-541-1565 is a Pump,rotary, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-541-1565?

NSN 4320-00-541-1565 has 2 cross-referenced part numbers: E-2012 LESS SPA (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E2012 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4320-00-541-1565?

There is 1 known substitute for 4320-00-541-1565: 6850-01-495-0148. Verify interchangeability with system specifications before substitution.

What are the specifications of E2012?

Key specifications for E2012: Drive Connection Type: FLEXIBLE COUPLED; Media for Which Designed: OIL; Volume Control Type: ROTARY; Drive Shaft Type: WOODRUFF KEYWAY AND TAPERED. 19 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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