PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120644Ring,diffuser,fuel Pump

Eaton Corp Dba Eaton Aerospace Jackson · NSN 2915-00-659-9770 · FSC 2915 · No Item Name Available
Verified by PartsTable
NSN 2915-00-659-9770 — this item is cataloged by the U.S. Government under National Stock Number 2915-00-659-9770. Primary manufacturer part number: 120644.
Features
  • Ring,diffuser,fuel Pump — FSC 2915
  • General Characteristics Item Description: ALUMINUM ALLOY,SURFACE FINISH PER THOMPSON PRODUCTS SPEC NO,QCI-M-8,0.6875 IN. O/A LG,2.7500 IN. OD,1.0781 IN. ID,7 VANES SPACED EQUALLY IN
  • 2 verified cross-references
  • Primary manufacturer: Eaton Corp Dba Eaton Aerospace Jackson
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Ring,diffuser,fuel Pump, cataloged under National Stock Number 2915-00-659-9770, is classified within Federal Supply Class 2915 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Eaton Corp Dba Eaton Aerospace Jackson. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2915-00-659-9770
Primary Part Number120644
Item NameRing,diffuser,fuel Pump
FSC / FSG2915 / 29 — No Item Name Available
ManufacturerEaton Corp Dba Eaton Aerospace Jackson
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY,SURFACE FINISH PER THOMPSON PRODUCTS SPEC NO,QCI-M-8,0.6875 IN. O/A LG,2.7500 IN. OD,1.0781 IN. ID,7 VANES SPACED EQUALLY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-100-360144150 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5365-01-717-7933120644-1 INTERCHANGEABLE
Spacer,plate
Naval Surface Warfare Center Dahlgren Div
5365-01-717-7936120644-2 INTERCHANGEABLE
Spacer,plate
Naval Surface Warfare Center Dahlgren Div
Cross-Reference Index
Part NumberManufacturer
TB120644 Eaton Corp Dba Eaton Aerospace Jackson (USA)
120644 PRIMARY Eaton Corp Dba Eaton Aerospace Jackson (USA)
Related Parts
3110-00-100-3601INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
44150
5365-01-717-7933INTERCHANGEABLE
SPACER,PLATE
120644-1
5365-01-717-7936INTERCHANGEABLE
SPACER,PLATE
120644-2

Frequently Asked Questions

What is NSN 2915-00-659-9770?

NSN 2915-00-659-9770 is a Ring,diffuser,fuel Pump, manufactured by Eaton Corp Dba Eaton Aerospace Jackson, classified under FSC 2915 (No Item Name Available). Status: active.

What are the part numbers for NSN 2915-00-659-9770?

NSN 2915-00-659-9770 has 2 cross-referenced part numbers: TB120644 (Eaton Corp Dba Eaton Aerospace Jackson), 120644 (Eaton Corp Dba Eaton Aerospace Jackson).

What NSN replaces 2915-00-659-9770?

There are 3 known substitutes for 2915-00-659-9770: 3110-00-100-3601, 5365-01-717-7933, 5365-01-717-7936. Verify interchangeability with system specifications before substitution.

What are the specifications of 120644?

Key specifications for 120644: General Characteristics Item Description: ALUMINUM ALLOY,SURFACE FINISH PER THOMPSON PRODUCTS SPEC NO,QCI-M-8,0.6875 IN. O/A LG,2.7500 IN. OD,1.0781 IN. ID,7 VANES SPACED EQUALLY IN; End Item Identification: ENGINE,FUEL PIPING INSTALLATION,GENERAL DYNAMICS DWG NO. 8-22310,F106 AIRCRAFT. 2 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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