PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74163Pump,hydraulic

Tennant Company · NSN 4320-01-479-4840 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-479-4840 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-479-4840. Primary manufacturer part number: 74163.
Features
  • Pump,hydraulic — FSC 4320
  • Accessory Components and Quantity: RELIEF VALVE SA 2, PUMP SEAL KIT 1, CAP SCREW 4, VALVE PLATE 1, REPAIR INFO PMP 1, BACKPLATE S/A 1, BEARING 1, ROLL PIN 1, KEY 1, CHARGE PMP ADAP 1, BUSHING 1, PLUG 1, SHIMS 1, SPRING 1, POPPET 1, RING IN GEROTER 1, RING OUT GEROTER 1, COUPLER 1, RETAINING RING 2, VALVE ACTUATOR 1, WASHER 4
  • 1 verified cross-reference
  • Primary manufacturer: Tennant Company
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,hydraulic, cataloged under National Stock Number 4320-01-479-4840, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Tennant Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-479-4840
Primary Part Number74163
Item NamePump,hydraulic
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerTennant Company
StatusACTIVE
Accessory Components and QuantityRELIEF VALVE SA 2, PUMP SEAL KIT 1, CAP SCREW 4, VALVE PLATE 1, REPAIR INFO PMP 1, BACKPLATE S/A 1, BEARING 1, ROLL PIN 1, KEY 1, CHARGE PMP ADAP 1, BUSHING 1, PLUG 1, SHIMS 1, SPRING 1, POPPET 1, RING IN GEROTER 1, RING OUT GEROTER 1, COUPLER 1, RETAINING RING 2, VALVE ACTUATOR 1, WASHER 4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5815-00-125-519974163 INTERCHANGEABLE
Bar
Telemechanics Inc
5962-00-369-7642 INTERCHANGEABLE
Microcircuit,digital
5340-01-557-729574163 INTERCHANGEABLE
Bracket,mounting
Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
Cross-Reference Index
Part NumberManufacturer
74163 Tennant Company (USA)
Related Parts
5815-00-125-5199INTERCHANGEABLE
BAR
74163
5962-00-369-7642INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5340-01-557-7295INTERCHANGEABLE
BRACKET,MOUNTING
74163

Frequently Asked Questions

What is NSN 4320-01-479-4840?

NSN 4320-01-479-4840 is a Pump,hydraulic, manufactured by Tennant Company, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-479-4840?

NSN 4320-01-479-4840 has 1 cross-referenced part number: 74163 (Tennant Company).

What NSN replaces 4320-01-479-4840?

There are 3 known substitutes for 4320-01-479-4840: 5815-00-125-5199, 5962-00-369-7642, 5340-01-557-7295. Verify interchangeability with system specifications before substitution.

What are the specifications of 74163?

Key specifications for 74163: Special Features: PUMP, HYDRAULIC PISTON V 2.48; Accessory Components and Quantity: RELIEF VALVE SA 2, PUMP SEAL KIT 1, CAP SCREW 4, VALVE PLATE 1, REPAIR INFO PMP 1, BACKPLATE S/A 1, BEARING 1, ROLL PIN 1, KEY 1, CHARGE PMP ADAP 1, BUSHING 1, PLUG 1, SHIMS 1, SPRING 1, POPPET 1, RING IN GEROTER 1, RING OUT GEROTER 1, COUPLER 1, RETAINING RING 2, VALVE ACTUATOR 1, WASHER 4; End Item Identification: SCRUBBER, HYDRAULIC SYSTEM, MFR ID 1550SRS(DN); W/S CVN CLASS SHIP. 3 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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