PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

21601Seat,piston

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 1650-01-327-3894 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-01-327-3894 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-327-3894. Primary manufacturer part number: 21601.
Features
  • Seat,piston — 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 Seat,piston, cataloged under National Stock Number 1650-01-327-3894, 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. 12 verified substitutes exist in the government interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,piston
FSC / FSG1650 — No Item Name Available (FSG 16)
ManufacturersParker Hannifin Corporation Div Hydraulic Systems Division (CAGE 93835)
Technical Specifications
ParameterValue
NSN1650-01-327-3894
Primary Part Number21601
Item NameSeat,piston
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 12
3110-00-198-1050 INTERCHANGEABLE
Ball,bearing
6515-00-386-977221601 INTERCHANGEABLE
Otoscope
Welch Allyn, Inc.
2010-00-395-1701FSBA57CPC2-1601 INTERCHANGEABLE
Housing,gear
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
6645-00-837-2267034701 INTERCHANGEABLE
Timer,interval
Miller Electric Mfg. Llc
4470-00-951-5042 INTERCHANGEABLE
Ball,relief
5975-01-066-64948224 INTERCHANGEABLE
Coupling,electrical Conduit
Abb Installation Products Inc
5998-01-074-2509 INTERCHANGEABLE
Circuit Card Assembly
5975-01-201-140521601 INTERCHANGEABLE
Mounting Base,electrical Equipme
Kurz & Root Generator Company, Llc
3110-01-288-503221601 INTERCHANGEABLE
Ball,bearing
Grove Valve Operations
5315-01-356-160321601 INTERCHANGEABLE
Pin,straight,headless
Eaton Corp Hydraulics Div
Cross-Reference Index
Part NumberManufacturer
21601 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
3110-00-198-1050INTERCHANGEABLE
BALL,BEARING
6515-00-386-9772INTERCHANGEABLE
OTOSCOPE
21601
2010-00-395-1701INTERCHANGEABLE
HOUSING,GEAR
FSBA57CPC2-1601
6645-00-837-2267INTERCHANGEABLE
TIMER,INTERVAL
034701
4470-00-951-5042INTERCHANGEABLE
BALL,RELIEF
5975-01-066-6494INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
8224
5998-01-074-2509INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5975-01-201-1405INTERCHANGEABLE
MOUNTING BASE,ELECTRICAL EQUIPME
21601
3110-01-288-5032INTERCHANGEABLE
BALL,BEARING
21601
5315-01-356-1603INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
21601
5945-01-438-0092INTERCHANGEABLE
RELAY,SOLID STATE
21-601
6920-01-543-0355INTERCHANGEABLE
SIMULATOR SYSTEM,FIRING,LASER
21601

Frequently Asked Questions

What is NSN 1650-01-327-3894?

NSN 1650-01-327-3894 is a Seat,piston, 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 1650-01-327-3894?

NSN 1650-01-327-3894 has 1 cross-referenced part number: 21601 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 1650-01-327-3894?

There are 12 known substitutes for 1650-01-327-3894: 3110-00-198-1050, 6515-00-386-9772, 2010-00-395-1701 and 9 more. Verify interchangeability with system specifications before substitution.

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