PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

658994Gage Unit,engine

Towmotor Corp Dallas Plant Sub of Caterpillar Tractor Co · NSN 6620-00-894-7259 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-894-7259 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-894-7259. Primary manufacturer part number: 658994.
Features
  • Gage Unit,engine — FSC 6620
  • 2 verified cross-references
  • Primary manufacturer: Towmotor Corp Dallas Plant Sub of Caterpillar Tractor Co
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Gage Unit,engine, cataloged under National Stock Number 6620-00-894-7259, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Towmotor Corp Dallas Plant Sub of Caterpillar Tractor Co. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGage Unit,engine
FSC / FSG6620 — No Item Name Available (FSG 66)
ManufacturersTowmotor Corp Dallas Plant Sub of Caterpillar Tractor Co (CAGE 73782); General Motors Llc Dba General Motors (CAGE 70040)
Technical Specifications
ParameterValue
NSN6620-00-894-7259
Primary Part Number658994
Item NameGage Unit,engine
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerTowmotor Corp Dallas Plant Sub of Caterpillar Tractor Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-100-061471750 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Bearings Incorporated Div West Trenton Division
1560-00-890-08236-58994 INTERCHANGEABLE
Screw,pedal Adjusti
The Boeing Company Div Defense
6620-00-943-7252 INTERCHANGEABLE
Indicator,pressure
Cross-Reference Index
Part NumberManufacturer
658994 Towmotor Corp Dallas Plant Sub of Caterpillar Tractor Co (USA)
5654775 General Motors Llc Dba General Motors (USA)
Related Parts
3110-00-100-0614INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
71750
1560-00-890-0823INTERCHANGEABLE
SCREW,PEDAL ADJUSTI
6-58994
6620-00-943-7252INTERCHANGEABLE
INDICATOR,PRESSURE

Frequently Asked Questions

What is NSN 6620-00-894-7259?

NSN 6620-00-894-7259 is a Gage Unit,engine, manufactured by Towmotor Corp Dallas Plant Sub of Caterpillar Tractor Co, classified under FSC 6620 (No Item Name Available). Status: active.

What are the part numbers for NSN 6620-00-894-7259?

NSN 6620-00-894-7259 has 2 cross-referenced part numbers: 658994 (Towmotor Corp Dallas Plant Sub of Caterpillar Tractor Co), 5654775 (General Motors Llc Dba General Motors).

What NSN replaces 6620-00-894-7259?

There are 3 known substitutes for 6620-00-894-7259: 3110-00-100-0614, 1560-00-890-0823, 6620-00-943-7252. Verify interchangeability with system specifications before substitution.

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