PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1512CSP5Pump,rotary

David Brown Hydraulics Inc Dba Hydreco · NSN 4320-00-891-3904 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-891-3904 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-891-3904. Primary manufacturer part number: 1512CSP5.
Features
  • Pump,rotary — FSC 4320
  • Drive Connection Type: CLOSE COUPLED
  • Media for Which Designed: HYDROCARBON FUELS AND OILS
  • Drive Shaft Length: 1.562 INCHES NOMINAL IN
  • Operating Speed at Rated Capacity: 1800.0 REVOLUTIONS PER MINUTE
  • Intake Connection Quantity: 1
  • Discharge Connection Thread Size and Series/type Designator: 0.750-14 NPT
  • Discharge Connection Type: THREADED INTERNAL
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-00-891-3904, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is David Brown Hydraulics Inc Dba Hydreco. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4320-00-891-3904
Primary Part Number1512CSP5
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDavid Brown Hydraulics Inc Dba Hydreco
StatusCANCELLED
Drive Connection TypeCLOSE COUPLED
Media for Which DesignedHYDROCARBON FUELS AND OILS
Drive Shaft Length1.562 INCHES NOMINAL IN
Operating Speed at Rated Capacity1800.0 REVOLUTIONS PER MINUTE
Intake Connection Quantity1
Discharge Connection Thread Size and Series/type Designator0.750-14 NPT
Discharge Connection TypeTHREADED INTERNAL
Discharge Connection Quantity1
Rotary Pump DesignGEAR
Discharge Pressure500.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES
Drive Shaft TypeMACHINE KEYWAY
Pumping Element Operating PositionHORIZONTAL
Intake Connection Thread Size and Series/type Designator0.750-14 NPT
Intake Connection TypeTHREADED INTERNAL
Maximum Discharge Flow Rate11.0 GALLONS PER MINUTE
Drive Shaft End Diameter0.625 INCHES NOMINAL IN
Operation MethodPOWERED
Pump Rotation DirectionCLOCKWISE AND COUNTERCLOCKWISE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5305-00-017-1026 INTERCHANGEABLE
Screw,tapping
5331-00-708-7770104X224A INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
2815-00-972-5387171026 INTERCHANGEABLE
Cover,engine Poppet Valve Rocker
Cummins Inc.
5915-00-979-3872 INTERCHANGEABLE
Filter,band Pass
5310-01-267-1205 INTERCHANGEABLE
Washer,lock
4130-01-469-0854023Z0065 INTERCHANGEABLE
Filter-Drier,refrigerant
Danfoss Inc
5340-01-545-8833121-026 INTERCHANGEABLE
Clamp,loop
Metalcraft, Inc Dba Metalcraft Inc Div Metalcraft Incorporated
Cross-Reference Index
Part NumberManufacturer
1512CSP5 PRIMARY David Brown Hydraulics Inc Dba Hydreco (USA)
171026 American Standard Inc Westinghouse Air Brake Co Div (USA)
VP4871 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
121026 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
VP8407 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
Related Parts
5305-00-017-1026INTERCHANGEABLE
SCREW,TAPPING
5331-00-708-7770INTERCHANGEABLE
O-RING
104X224A
2815-00-972-5387INTERCHANGEABLE
COVER,ENGINE POPPET VALVE ROCKER
171026
5915-00-979-3872INTERCHANGEABLE
FILTER,BAND PASS
5310-01-267-1205INTERCHANGEABLE
WASHER,LOCK
4130-01-469-0854INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
023Z0065
5340-01-545-8833INTERCHANGEABLE
CLAMP,LOOP
121-026

Frequently Asked Questions

What is NSN 4320-00-891-3904?

NSN 4320-00-891-3904 is a Pump,rotary, manufactured by David Brown Hydraulics Inc Dba Hydreco, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-00-891-3904?

NSN 4320-00-891-3904 has 5 cross-referenced part numbers: 1512CSP5 (David Brown Hydraulics Inc Dba Hydreco), 171026 (American Standard Inc Westinghouse Air Brake Co Div), VP4871 (Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co), 121026 (Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co), VP8407 (Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co).

What NSN replaces 4320-00-891-3904?

There are 7 known substitutes for 4320-00-891-3904: 5305-00-017-1026, 5331-00-708-7770, 2815-00-972-5387 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1512CSP5?

Key specifications for 1512CSP5: Drive Connection Type: CLOSE COUPLED; Media for Which Designed: HYDROCARBON FUELS AND OILS; Drive Shaft Length: 1.562 INCHES NOMINAL IN; Operating Speed at Rated Capacity: 1800.0 REVOLUTIONS PER MINUTE. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-891-3904 still in active supply?

NSN 4320-00-891-3904 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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