PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54040Seat,pump

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-139-4131 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-139-4131 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-139-4131. Primary manufacturer part number: 54040.
Features
  • Seat,pump — FSC 4320
  • 3 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Seat,pump, cataloged under National Stock Number 4320-00-139-4131, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersCurtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (CAGE 93232); Curtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9)
Technical Specifications
ParameterValue
NSN4320-00-139-4131
Primary Part Number54040
Item NameSeat,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
7045-01-365-2069 INTERCHANGEABLE
Disk,flexible
6145-01-584-852654040 INTERCHANGEABLE
Cable,radio Frequency
R F Industries Ltd Div Rf Industries
2590-01-622-668827323003 INTERCHANGEABLE
Winch,drum,vehicle Mounting
Tulsa Winch, Inc.
4330-01-629-277554040 INTERCHANGEABLE
Cover,fluid Filter
Amerex Corporation Dba Getz Manufacturing Div Amerex Corporation Dba Getz Manufacturing
Cross-Reference Index
Part NumberManufacturer
54040 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
54966 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
54040 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
7045-01-365-2069INTERCHANGEABLE
DISK,FLEXIBLE
6145-01-584-8526INTERCHANGEABLE
CABLE,RADIO FREQUENCY
54040
2590-01-622-6688INTERCHANGEABLE
WINCH,DRUM,VEHICLE MOUNTING
27323003
4330-01-629-2775INTERCHANGEABLE
COVER,FLUID FILTER
54040

Frequently Asked Questions

What is NSN 4320-00-139-4131?

NSN 4320-00-139-4131 is a Seat,pump, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-139-4131?

NSN 4320-00-139-4131 has 3 cross-referenced part numbers: 54040 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 54966 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 54040 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).

What NSN replaces 4320-00-139-4131?

There are 4 known substitutes for 4320-00-139-4131: 7045-01-365-2069, 6145-01-584-8526, 2590-01-622-6688 and 1 more. Verify interchangeability with system specifications before substitution.

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