PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61550Seat Spring,pump

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 4320-01-019-9896 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-019-9896 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-019-9896. Primary manufacturer part number: 61550.
Features
  • Seat Spring,pump — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Mechanical energy storage
  • Vibration dampening
General Description

The Seat Spring,pump, cataloged under National Stock Number 4320-01-019-9896, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-019-9896
Primary Part Number61550
Item NameSeat Spring,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5970-00-117-5336 INTERCHANGEABLE
Insulator,standoff
5306-00-472-276361550 INTERCHANGEABLE
Bolt,assembled Washer
New Venture Gear Inc New Process Gear Div
5330-00-599-4993 INTERCHANGEABLE
Seal,plain Encased
5977-01-181-0136 INTERCHANGEABLE
Holder,electrical Contact Brush
5950-01-227-8707 INTERCHANGEABLE
Transformer Assembly
8440-01-525-6337 INTERCHANGEABLE
Gaiters
8440-01-525-6338 INTERCHANGEABLE
Gaiters
8440-01-525-6339 INTERCHANGEABLE
Gaiters
8440-01-525-6340 INTERCHANGEABLE
Gaiters
8440-01-525-6341 INTERCHANGEABLE
Gaiters
Cross-Reference Index
Part NumberManufacturer
61550 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5970-00-117-5336INTERCHANGEABLE
INSULATOR,STANDOFF
5306-00-472-2763INTERCHANGEABLE
BOLT,ASSEMBLED WASHER
61550
5330-00-599-4993INTERCHANGEABLE
SEAL,PLAIN ENCASED
5977-01-181-0136INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
5950-01-227-8707INTERCHANGEABLE
TRANSFORMER ASSEMBLY
8440-01-525-6337INTERCHANGEABLE
GAITERS
8440-01-525-6338INTERCHANGEABLE
GAITERS
8440-01-525-6339INTERCHANGEABLE
GAITERS
8440-01-525-6340INTERCHANGEABLE
GAITERS
8440-01-525-6341INTERCHANGEABLE
GAITERS
4820-01-528-3960INTERCHANGEABLE
DIAPHRAGM,ACTUATOR VALVE,SPECIAL
61550

Frequently Asked Questions

What is NSN 4320-01-019-9896?

NSN 4320-01-019-9896 is a Seat Spring,pump, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-019-9896?

NSN 4320-01-019-9896 has 1 cross-referenced part number: 61550 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 4320-01-019-9896?

There are 11 known substitutes for 4320-01-019-9896: 5970-00-117-5336, 5306-00-472-2763, 5330-00-599-4993 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 61550?

Key specifications for 61550: End Item Identification: 4320-00-607-7679 PUMP. 1 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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