PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

32515-1Piston,pump

Hydraulics International, Inc. Dba Hydraulics International Inc · NSN 4320-01-671-5478 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-671-5478 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-671-5478. Primary manufacturer part number: 32515-1.
Features
  • Piston,pump — FSC 4320
  • 4 verified cross-references
  • Primary manufacturer: Hydraulics International, Inc. Dba Hydraulics International Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Piston,pump, cataloged under National Stock Number 4320-01-671-5478, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePiston,pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersHydraulics International, Inc. Dba Hydraulics International Inc (CAGE 56529); Hydraulics International, Inc. Dba Use CAGE Code 56529 for Cataloging (CAGE 2N386)
Technical Specifications
ParameterValue
NSN4320-01-671-5478
Primary Part Number32515-1
Item NamePiston,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerHydraulics International, Inc. Dba Hydraulics International Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-00-075-7482 INTERCHANGEABLE
Diaphragm,valve,flat
5340-00-308-7607150116 INTERCHANGEABLE
Plunger,detent
Dresser, Llc
5940-00-982-809632515 INTERCHANGEABLE
Splice,conductor
Abb Installation Products Inc
6210-01-097-55003251-5 INTERCHANGEABLE
Light,indicator
Safran Electronics & Defense, Avionics Usa, Llc
5940-01-101-8542 INTERCHANGEABLE
Terminal,quick Disconnect
4310-01-246-4513325-15 INTERCHANGEABLE
Compressor,reciprocating
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
2530-01-348-7363 INTERCHANGEABLE
Retainer,arm Bushing
5120-01-348-903432515 INTERCHANGEABLE
Socket,socket Wrench
Williams J H Industrial Products Inc
6130-01-384-1982 INTERCHANGEABLE
Charger,battery
Cross-Reference Index
Part NumberManufacturer
32515-1 PRIMARY Hydraulics International, Inc. Dba Hydraulics International Inc (USA)
32515 Hydraulics International, Inc. Dba Hydraulics International Inc (USA)
32515 Hydraulics International, Inc. Dba Use CAGE Code 56529 for Cataloging (USA)
32515-1 Hydraulics International, Inc. Dba Use CAGE Code 56529 for Cataloging (USA)
Related Parts
4820-00-075-7482INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
5340-00-308-7607INTERCHANGEABLE
PLUNGER,DETENT
150116
5940-00-982-8096INTERCHANGEABLE
SPLICE,CONDUCTOR
32515
6210-01-097-5500INTERCHANGEABLE
LIGHT,INDICATOR
3251-5
5940-01-101-8542INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
4310-01-246-4513INTERCHANGEABLE
COMPRESSOR,RECIPROCATING
325-15
2530-01-348-7363INTERCHANGEABLE
RETAINER,ARM BUSHING
5120-01-348-9034INTERCHANGEABLE
SOCKET,SOCKET WRENCH
32515
6130-01-384-1982INTERCHANGEABLE
CHARGER,BATTERY

Frequently Asked Questions

What is NSN 4320-01-671-5478?

NSN 4320-01-671-5478 is a Piston,pump, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-671-5478?

NSN 4320-01-671-5478 has 4 cross-referenced part numbers: 32515-1 (Hydraulics International, Inc. Dba Hydraulics International Inc), 32515 (Hydraulics International, Inc. Dba Hydraulics International Inc), 32515 (Hydraulics International, Inc. Dba Use CAGE Code 56529 for Cataloging), 32515-1 (Hydraulics International, Inc. Dba Use CAGE Code 56529 for Cataloging).

What NSN replaces 4320-01-671-5478?

There are 9 known substitutes for 4320-01-671-5478: 4820-00-075-7482, 5340-00-308-7607, 5940-00-982-8096 and 6 more. Verify interchangeability with system specifications before substitution.

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