PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

387B503ITEM512Pump,centrifugal

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-01-236-6003 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-236-6003 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-236-6003. Primary manufacturer part number: 387B503ITEM512.
Features
  • Pump,centrifugal — FSC 4320
  • Operating Speed at Rated Capacity: 1750.0 REVOLUTIONS PER MINUTE
  • Maximum Discharge Flow Rate: 120.0 GALLONS PER MINUTE
  • Centrifugal Pump Impeller Quantity: 1
  • Pump Rotation Direction: CLOCKWISE
  • Media for Which Designed: WATER, FRESH
  • 5 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 Pump,centrifugal, cataloged under National Stock Number 4320-01-236-6003, 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. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-236-6003
Primary Part Number387B503ITEM512
Item NamePump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Operating Speed at Rated Capacity1750.0 REVOLUTIONS PER MINUTE
Maximum Discharge Flow Rate120.0 GALLONS PER MINUTE
Centrifugal Pump Impeller Quantity1
Pump Rotation DirectionCLOCKWISE
Media for Which DesignedWATER, FRESH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4320-01-120-8631 INTERCHANGEABLE
Ring,wearing
4320-01-121-12741107F88G01 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
4320-01-197-7173364863PH INTERCHANGEABLE
Sleeve,distance,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
4320-01-205-9357938213-00 INTERCHANGEABLE
Ring,wearing
Curtiss-Wright Electro-Mechanical Corporation Div Epd
4320-01-205-9387 INTERCHANGEABLE
Deflector,dirt and Liquid
4320-01-205-9397937892 INTERCHANGEABLE
Stage Piece Assembly,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
Cross-Reference Index
Part NumberManufacturer
RW-137424 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
RW137424-PUMP END Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
387B503ITEM512 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
RW137424-PUMP END Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
RW-137424 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
4320-01-120-8631INTERCHANGEABLE
RING,WEARING
4320-01-121-1274INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
1107F88G01
4320-01-197-7173INTERCHANGEABLE
SLEEVE,DISTANCE,PUMP
364863PH
4320-01-205-9357INTERCHANGEABLE
RING,WEARING
938213-00
4320-01-205-9387INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
4320-01-205-9397INTERCHANGEABLE
STAGE PIECE ASSEMBLY,PUMP
937892

Frequently Asked Questions

What is NSN 4320-01-236-6003?

NSN 4320-01-236-6003 is a Pump,centrifugal, 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 4320-01-236-6003?

NSN 4320-01-236-6003 has 5 cross-referenced part numbers: RW-137424 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), RW137424-PUMP END (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 387B503ITEM512 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), RW137424-PUMP END (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), RW-137424 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).

What NSN replaces 4320-01-236-6003?

There are 6 known substitutes for 4320-01-236-6003: 4320-01-120-8631, 4320-01-121-1274, 4320-01-197-7173 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 387B503ITEM512?

Key specifications for 387B503ITEM512: Operating Speed at Rated Capacity: 1750.0 REVOLUTIONS PER MINUTE; Maximum Discharge Flow Rate: 120.0 GALLONS PER MINUTE; Centrifugal Pump Impeller Quantity: 1; Pump Rotation Direction: CLOCKWISE. 6 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