PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4875Pump Unit,centrifugal

E C Schleyer Pump Co Inc · NSN 4320-00-585-7770 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-585-7770 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-585-7770. Primary manufacturer part number: 4875.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Discharge Connection Type: ROUND FLANGE
  • Phase: SINGLE
  • Frequency in Hertz: 60.0
  • Prime Mover Type: ELECTRIC MOTOR
  • Pumping Element Operating Position: VERTICAL
  • Intake Connection Quantity: 1
  • Centrifugal Pump Design: RADIAL FLOW
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-585-7770, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is E C Schleyer Pump Co Inc. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-585-7770
Primary Part Number4875
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerE C Schleyer Pump Co Inc
StatusACTIVE
Discharge Connection TypeROUND FLANGE
PhaseSINGLE
Frequency in Hertz60.0
Prime Mover TypeELECTRIC MOTOR
Pumping Element Operating PositionVERTICAL
Intake Connection Quantity1
Centrifugal Pump DesignRADIAL FLOW
Centrifugal Pump Impeller Quantity1
Inclosure TypePARTIALLY INCLOSED
Features ProvidedSELF-PRIMING
Stage Quantity1
Maximum Discharge Flow Rate35.0 GALLONS PER MINUTE
Prime Mover Power Rating0.250 HORSEPOWER
Centrifugal Pump Impeller Suction TypeSINGLE
Prime Mover Quantity1
Media for Which DesignedWATER, FRESH
Current TypeAC
Pump Quantity1
Discharge Connection Quantity1
Environmental ProtectionDRIPPROOF
Voltage in Volts115.0
Intake Connection TypeROUND FLANGE
Operating Speed at Rated Capacity1800.0 REVOLUTIONS PER MINUTE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-143-4780MS25036-108 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5940-00-617-24302-34161-1 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
3040-00-671-1582487-5 INTERCHANGEABLE
Gearshaft,worm Wheel
Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc
5330-01-037-87734875-5 INTERCHANGEABLE
Packing
Coffin Turbo Pump Inc
5120-01-073-6240GS15913-1 INTERCHANGEABLE
Inserter,bearing and Bushing
Hamilton Sundstrand Corporation Dba Collins Aerospace
5961-01-100-3465 INTERCHANGEABLE
Mounting Kit
5340-01-141-5484 INTERCHANGEABLE
Hardware Kit,electronic Equipmen
5915-01-204-10771603976 INTERCHANGEABLE
Filter,low Pass
Lockheed Martin Corporation Div Rms - Mitchel Field
4820-01-259-87774875-G503 INTERCHANGEABLE
Valve,safety Relief
Howell Laboratories Inc Dba Howell Laboratories Inc
2540-01-397-86464875 INTERCHANGEABLE
Latch,door,vehicular
Isometrics Inc
Cross-Reference Index
Part NumberManufacturer
4875 PRIMARY E C Schleyer Pump Co Inc (USA)
509-1967688 Naval Ship Systems Command (USA)
DYV400-49 PRIMARY Carver Pump Company (USA)
DYV400-134 PRIMARY Carver Pump Company (USA)
Related Parts
5940-00-143-4780INTERCHANGEABLE
TERMINAL,LUG
MS25036-108
5940-00-617-2430INTERCHANGEABLE
TERMINAL,LUG
2-34161-1
3040-00-671-1582INTERCHANGEABLE
GEARSHAFT,WORM WHEEL
487-5
5330-01-037-8773INTERCHANGEABLE
PACKING
4875-5
5120-01-073-6240INTERCHANGEABLE
INSERTER,BEARING AND BUSHING
GS15913-1
5961-01-100-3465INTERCHANGEABLE
MOUNTING KIT
5340-01-141-5484INTERCHANGEABLE
HARDWARE KIT,ELECTRONIC EQUIPMEN
5915-01-204-1077INTERCHANGEABLE
FILTER,LOW PASS
1603976
4820-01-259-8777INTERCHANGEABLE
VALVE,SAFETY RELIEF
4875-G503
2540-01-397-8646INTERCHANGEABLE
LATCH,DOOR,VEHICULAR
4875
2530-01-420-5572INTERCHANGEABLE
HUB,WHEEL,VEHICULAR
4820-01-443-9866INTERCHANGEABLE
VALVE,SAFETY RELIEF
D559T1-8M-1

Frequently Asked Questions

What is NSN 4320-00-585-7770?

NSN 4320-00-585-7770 is a Pump Unit,centrifugal, manufactured by E C Schleyer Pump Co Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-585-7770?

NSN 4320-00-585-7770 has 4 cross-referenced part numbers: 4875 (E C Schleyer Pump Co Inc), 509-1967688 (Naval Ship Systems Command), DYV400-49 (Carver Pump Company), DYV400-134 (Carver Pump Company).

What NSN replaces 4320-00-585-7770?

There are 12 known substitutes for 4320-00-585-7770: 5940-00-143-4780, 5940-00-617-2430, 3040-00-671-1582 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4875?

Key specifications for 4875: Discharge Connection Type: ROUND FLANGE; Phase: SINGLE; Frequency in Hertz: 60.0; Prime Mover Type: ELECTRIC MOTOR. 23 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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