PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26651-0Drive Head Assembly

Rtx Corporation Div Pratt & Whitney · NSN 2835-00-963-1173 · FSC 2835 · No Item Name Available
Verified by PartsTable
NSN 2835-00-963-1173 — this item is cataloged by the U.S. Government under National Stock Number 2835-00-963-1173. Primary manufacturer part number: 26651-0.
Features
  • Drive Head Assembly — FSC 2835
  • General Characteristics Item Description: MAJOR COMPONENTS: -1 BODY CRES BAR TYPE 303 MIL-S-7720 COMP 303,-2 PIVOT CRES BAR TYPE 440C QQ-S-763 CLIO,-3 PIN GUIDE CRES BAR TYPE 303 MIL-S-7720 COMP 303
  • 3 verified cross-references
  • Primary manufacturer: Rtx Corporation Div Pratt & Whitney
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Drive Head Assembly, cataloged under National Stock Number 2835-00-963-1173, is classified within Federal Supply Class 2835 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2835-00-963-1173
Primary Part Number26651-0
Item NameDrive Head Assembly
FSC / FSG2835 / 28 — No Item Name Available
ManufacturerRtx Corporation Div Pratt & Whitney
StatusACTIVE
General Characteristics Item DescriptionMAJOR COMPONENTS: -1 BODY CRES BAR TYPE 303 MIL-S-7720 COMP 303,-2 PIVOT CRES BAR TYPE 440C QQ-S-763 CLIO,-3 PIN GUIDE CRES BAR TYPE 303 MIL-S-7720 COMP 303
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4720-00-639-9905 INTERCHANGEABLE
Hose,nonmetallic
Cross-Reference Index
Part NumberManufacturer
26651-0 Hamilton Sundstrand Corporation (USA)
26651-0 Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA)
26651-0 PRIMARY Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
4720-00-639-9905INTERCHANGEABLE
HOSE,NONMETALLIC

Frequently Asked Questions

What is NSN 2835-00-963-1173?

NSN 2835-00-963-1173 is a Drive Head Assembly, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 2835 (No Item Name Available). Status: active.

What are the part numbers for NSN 2835-00-963-1173?

NSN 2835-00-963-1173 has 3 cross-referenced part numbers: 26651-0 (Hamilton Sundstrand Corporation), 26651-0 (Solar Turbines Incorporated Dba Solar Turbines Incorporated), 26651-0 (Rtx Corporation Div Pratt & Whitney).

What NSN replaces 2835-00-963-1173?

There is 1 known substitute for 2835-00-963-1173: 4720-00-639-9905. Verify interchangeability with system specifications before substitution.

What are the specifications of 26651-0?

Key specifications for 26651-0: General Characteristics Item Description: MAJOR COMPONENTS: -1 BODY CRES BAR TYPE 303 MIL-S-7720 COMP 303,-2 PIVOT CRES BAR TYPE 440C QQ-S-763 CLIO,-3 PIN GUIDE CRES BAR TYPE 303 MIL-S-7720 COMP 303. 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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