PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20501Eccentric,shaft,pum

Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp · NSN 4320-00-375-2878 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-375-2878 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-375-2878. Primary manufacturer part number: 20501.
Features
  • Eccentric,shaft,pum — FSC 4320
  • 3 verified cross-references
  • Primary manufacturer: Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Eccentric,shaft,pum, cataloged under National Stock Number 4320-00-375-2878, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameEccentric,shaft,pum
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersEco Pump Corp Pulsafeeder Div Sub of Interpace Corp (CAGE 72075); Universal Motors-Oshkosh a Div of Medalist Industries Inc (CAGE 62242); Energy Services Group Div of Cooper Industries Inc (CAGE 43952)
Technical Specifications
ParameterValue
NSN4320-00-375-2878
Primary Part Number20501
Item NameEccentric,shaft,pum
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEco Pump Corp Pulsafeeder Div Sub of Interpace Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3431-00-102-231545V42 INTERCHANGEABLE
Collet Body,welding Torch
Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng
1680-00-242-1129 INTERCHANGEABLE
Cap,coupling
3455-00-395-000115154 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3120-00-737-1171637008 INTERCHANGEABLE
Bearing Half,sleeve
Am General Llc
5895-00-991-8998 INTERCHANGEABLE
Parts Kit,dispenser
5975-01-066-64912123 INTERCHANGEABLE
Box Connector,electrical
Raco, a Division of Hubbell Incorporated(delaware)
5306-01-109-13262050-1 INTERCHANGEABLE
Bolt,eye
Buckeye Forge Inc
4820-01-186-87232050-1 INTERCHANGEABLE
Cartridge,relief Valve
Droitcour Co
5340-01-314-8107B205010 INTERCHANGEABLE
Boot,dust and Moisture Seal
Haldex Brake Products Corporation
6510-01-643-802520501 INTERCHANGEABLE
Dressing,barrier
Smith & Nephew, Inc. Div Advanced Wound Management
Cross-Reference Index
Part NumberManufacturer
20501 Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp (USA)
287230 Universal Motors-Oshkosh a Div of Medalist Industries Inc (USA)
31130351 Energy Services Group Div of Cooper Industries Inc (USA)
Related Parts
3431-00-102-2315INTERCHANGEABLE
COLLET BODY,WELDING TORCH
45V42
1680-00-242-1129INTERCHANGEABLE
CAP,COUPLING
3455-00-395-0001INTERCHANGEABLE
CUTTER,MILLING,END
15154
3120-00-737-1171INTERCHANGEABLE
BEARING HALF,SLEEVE
637008
5895-00-991-8998INTERCHANGEABLE
PARTS KIT,DISPENSER
5975-01-066-6491INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2123
5306-01-109-1326INTERCHANGEABLE
BOLT,EYE
2050-1
4820-01-186-8723INTERCHANGEABLE
CARTRIDGE,RELIEF VALVE
2050-1
5340-01-314-8107INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
B205010
6510-01-643-8025INTERCHANGEABLE
DRESSING,BARRIER
20501
6515-01-649-9420INTERCHANGEABLE
MOUTHPIECE,SPIROMETER
2050-1

Frequently Asked Questions

What is NSN 4320-00-375-2878?

NSN 4320-00-375-2878 is a Eccentric,shaft,pum, manufactured by Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-375-2878?

NSN 4320-00-375-2878 has 3 cross-referenced part numbers: 20501 (Eco Pump Corp Pulsafeeder Div Sub of Interpace Corp), 287230 (Universal Motors-Oshkosh a Div of Medalist Industries Inc), 31130351 (Energy Services Group Div of Cooper Industries Inc).

What NSN replaces 4320-00-375-2878?

There are 11 known substitutes for 4320-00-375-2878: 3431-00-102-2315, 1680-00-242-1129, 3455-00-395-0001 and 8 more. Verify interchangeability with system specifications before substitution.

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