PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21621Piston,hydraulic Motor-Pump

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 1650-01-507-1828 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-01-507-1828 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-507-1828. Primary manufacturer part number: 21621.
Features
  • Piston,hydraulic Motor-Pump — FSC 1650
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Piston,hydraulic Motor-Pump, cataloged under National Stock Number 1650-01-507-1828, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-01-507-1828
Primary Part Number21621
Item NamePiston,hydraulic Motor-Pump
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5977-00-381-0215441445PC17 INTERCHANGEABLE
Brush Block Assembl
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-00-483-227621621 INTERCHANGEABLE
Washer
Industrial Technologies and Services Llc
5310-00-638-11243-160358-78 INTERCHANGEABLE
Nut,plain,round
Naval Sea Systems Command
5970-01-155-9418T1020A00 INTERCHANGEABLE
Insulation Sleeving,electrical
Safran Electrical Components Usa, Inc Div Safran Electrical Components Usa
5330-01-509-680721621 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
21621 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5977-00-381-0215INTERCHANGEABLE
BRUSH BLOCK ASSEMBL
441445PC17
5310-00-483-2276INTERCHANGEABLE
WASHER
21621
5310-00-638-1124INTERCHANGEABLE
NUT,PLAIN,ROUND
3-160358-78
5970-01-155-9418INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
T1020A00
5330-01-509-6807INTERCHANGEABLE
SEAL,PLAIN ENCASED
21621

Frequently Asked Questions

What is NSN 1650-01-507-1828?

NSN 1650-01-507-1828 is a Piston,hydraulic Motor-Pump, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-01-507-1828?

NSN 1650-01-507-1828 has 1 cross-referenced part number: 21621 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 1650-01-507-1828?

There are 5 known substitutes for 1650-01-507-1828: 5977-00-381-0215, 5310-00-483-2276, 5310-00-638-1124 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21621?

Key specifications for 21621: End Item Identification: B-2 AIRCRAFT;T.O.9H4-2-108-3;U/O NSN 1650-01-320-6424. 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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