PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7-44646-5Torque Tube Assembly,aircraft

Triumph Controls, Llc Dba Triumph Controls, Llc · NSN 1680-01-442-1625 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-01-442-1625 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-442-1625. Primary manufacturer part number: 7-44646-5.
Features
  • Torque Tube Assembly,aircraft — FSC 1680
  • Load Capacity: 6000.000 POUNDS PER INCH NOMINAL LBS
  • Aircraft Location: TORQUE CREW ENTRY DOOR
  • Aircraft Mission Design Series: B-2
  • 5 verified cross-references
  • Primary manufacturer: Triumph Controls, Llc Dba Triumph Controls, Llc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Torque Tube Assembly,aircraft, cataloged under National Stock Number 1680-01-442-1625, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Triumph Controls, Llc Dba Triumph Controls, Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN1680-01-442-1625
Primary Part Number7-44646-5
Item NameTorque Tube Assembly,aircraft
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerTriumph Controls, Llc Dba Triumph Controls, Llc
StatusCANCELLED
Load Capacity6000.000 POUNDS PER INCH NOMINAL LBS
Aircraft LocationTORQUE CREW ENTRY DOOR
Aircraft Mission Design SeriesB-2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
2815-00-053-0430ZZ90060 INTERCHANGEABLE
Connecting Rod,piston
Perkins Engines Inc
4810-01-010-84726837-1 INTERCHANGEABLE
Valve,butterfly
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5315-01-363-539968371 INTERCHANGEABLE
Pin,shoulder,headless
Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division
Cross-Reference Index
Part NumberManufacturer
DAA3255P016-103 Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA)
DAA3255P016-105 Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA)
6837-1 Tyee Aircraft Inc Div Tyee Aircraft (USA)
DAA3255P016-005 Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA)
7-44646-5 PRIMARY Triumph Controls, Llc Dba Triumph Controls, Llc (USA)
Related Parts
2815-00-053-0430INTERCHANGEABLE
CONNECTING ROD,PISTON
ZZ90060
4810-01-010-8472INTERCHANGEABLE
VALVE,BUTTERFLY
6837-1
5315-01-363-5399INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
68371

Frequently Asked Questions

What is NSN 1680-01-442-1625?

NSN 1680-01-442-1625 is a Torque Tube Assembly,aircraft, manufactured by Triumph Controls, Llc Dba Triumph Controls, Llc, classified under FSC 1680 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1680-01-442-1625?

NSN 1680-01-442-1625 has 5 cross-referenced part numbers: DAA3255P016-103 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), DAA3255P016-105 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 6837-1 (Tyee Aircraft Inc Div Tyee Aircraft), DAA3255P016-005 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 7-44646-5 (Triumph Controls, Llc Dba Triumph Controls, Llc).

What NSN replaces 1680-01-442-1625?

There are 3 known substitutes for 1680-01-442-1625: 2815-00-053-0430, 4810-01-010-8472, 5315-01-363-5399. Verify interchangeability with system specifications before substitution.

What are the specifications of 7-44646-5?

Key specifications for 7-44646-5: Load Capacity: 6000.000 POUNDS PER INCH NOMINAL LBS; End Item Identification: B-2 BOMBER; Aircraft Location: TORQUE CREW ENTRY DOOR; Aircraft Mission Design Series: B-2. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 1680-01-442-1625 still in active supply?

NSN 1680-01-442-1625 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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