PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E-3962APump,rotary

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 4320-01-185-4179 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-185-4179 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-185-4179. Primary manufacturer part number: E-3962A.
Features
  • Pump,rotary — FSC 4320
  • Pumping Element Operating Position: HORIZONTAL
  • Maximum Discharge Flow Rate: 14.0 GALLONS PER MINUTE
  • Operation Method: MANUAL
  • Operating Speed at Rated Capacity: 130.0 REVOLUTIONS PER MINUTE
  • Discharge Connection Type: ROUND FLANGE
  • Discharge Connection Quantity: 1
  • Intake Connection Quantity: 1
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-01-185-4179, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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
NSN4320-01-185-4179
Primary Part NumberE-3962A
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusACTIVE
Pumping Element Operating PositionHORIZONTAL
Maximum Discharge Flow Rate14.0 GALLONS PER MINUTE
Operation MethodMANUAL
Operating Speed at Rated Capacity130.0 REVOLUTIONS PER MINUTE
Discharge Connection TypeROUND FLANGE
Discharge Connection Quantity1
Intake Connection Quantity1
Rotary Pump DesignVANE
Media for Which DesignedHYDROCARBON FUELS AND OILS
Pump Rotation DirectionCLOCKWISE
Volume Control TypeROTARY
Intake Connection TypeROUND FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4320-01-390-4861 INTERCHANGEABLE
Pump,rotary
Cross-Reference Index
Part NumberManufacturer
E-3962-21 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
PAB414NAFC-1 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
E-3962A PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
4320-01-390-4861INTERCHANGEABLE
PUMP,ROTARY

Frequently Asked Questions

What is NSN 4320-01-185-4179?

NSN 4320-01-185-4179 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 4320-01-185-4179?

NSN 4320-01-185-4179 has 3 cross-referenced part numbers: E-3962-21 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), PAB414NAFC-1 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-3962A (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 4320-01-185-4179?

There is 1 known substitute for 4320-01-185-4179: 4320-01-390-4861. Verify interchangeability with system specifications before substitution.

What are the specifications of E-3962A?

Key specifications for E-3962A: Pumping Element Operating Position: HORIZONTAL; Maximum Discharge Flow Rate: 14.0 GALLONS PER MINUTE; Operation Method: MANUAL; Special Features: HAND-DRIVEN; BRONZE BODY. 13 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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