PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26521Nut,synchro,lock

Parker-Hannifin Corporation Dba Control Systems Division · NSN 6615-00-786-7081 · FSC 6615 · No Item Name Available
Verified by PartsTable
NSN 6615-00-786-7081 — this item is cataloged by the U.S. Government under National Stock Number 6615-00-786-7081. Primary manufacturer part number: 26521.
Features
  • Nut,synchro,lock — FSC 6615
  • 1 verified cross-reference
  • Primary manufacturer: Parker-Hannifin Corporation Dba Control Systems Division
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,synchro,lock, cataloged under National Stock Number 6615-00-786-7081, is classified within Federal Supply Class 6615 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Control Systems Division. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameNut,synchro,lock
FSC / FSG6615 — No Item Name Available (FSG 66)
ManufacturersParker-Hannifin Corporation Dba Control Systems Division (CAGE 82106)
Technical Specifications
ParameterValue
NSN6615-00-786-7081
Primary Part Number26521
Item NameNut,synchro,lock
FSC / FSG6615 / 66 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Control Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-084-12302652-1 INTERCHANGEABLE
Gasket
Rockwell Collins, Inc. Dba Rc Displays Systems
2805-00-351-634426521 INTERCHANGEABLE
Valve,poppet,engine
Briggs and Stratton Corp
2915-00-370-90782-652-1 INTERCHANGEABLE
Fuel Float Valve Assembly
Parker Hannifin Corporation Div Aerospace Group Headquarters
5930-00-448-0001815-1853067SYM2652-1 INTERCHANGEABLE
Switch,magnet
Naval Ship Systems Command
2915-00-580-94089-253-51 INTERCHANGEABLE
Valve,float,aircraft Fuel Tank
Parker Hannifin Corporation Div Aerospace Group Headquarters
5620-00-982-8182 INTERCHANGEABLE
Glass,sheet
4720-00-990-168526521 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5935-01-029-643326521 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
Cross-Reference Index
Part NumberManufacturer
26521 PRIMARY Parker-Hannifin Corporation Dba Control Systems Division (USA)
Related Parts
5330-00-084-1230INTERCHANGEABLE
GASKET
2652-1
2805-00-351-6344INTERCHANGEABLE
VALVE,POPPET,ENGINE
26521
2915-00-370-9078INTERCHANGEABLE
FUEL FLOAT VALVE ASSEMBLY
2-652-1
5930-00-448-0001INTERCHANGEABLE
SWITCH,MAGNET
815-1853067SYM2652-1
2915-00-580-9408INTERCHANGEABLE
VALVE,FLOAT,AIRCRAFT FUEL TANK
9-253-51
5620-00-982-8182INTERCHANGEABLE
GLASS,SHEET
4720-00-990-1685INTERCHANGEABLE
HOSE,PREFORMED
26521
5935-01-029-6433INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
26521

Frequently Asked Questions

What is NSN 6615-00-786-7081?

NSN 6615-00-786-7081 is a Nut,synchro,lock, manufactured by Parker-Hannifin Corporation Dba Control Systems Division, classified under FSC 6615 (No Item Name Available). Status: active.

What are the part numbers for NSN 6615-00-786-7081?

NSN 6615-00-786-7081 has 1 cross-referenced part number: 26521 (Parker-Hannifin Corporation Dba Control Systems Division).

What NSN replaces 6615-00-786-7081?

There are 8 known substitutes for 6615-00-786-7081: 5330-00-084-1230, 2805-00-351-6344, 2915-00-370-9078 and 5 more. Verify interchangeability with system specifications before substitution.

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