PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

012961Flywheel,engine

Caterpillar Inc Div Caterpillar Defense · NSN 2805-00-383-8666 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-383-8666 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-383-8666. Primary manufacturer part number: 012961.
Features
  • Flywheel,engine — FSC 2805
  • Nonsupply Items and Quantities: FLYWHEEL W/RING GEAR 1
  • 10 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Flywheel,engine, cataloged under National Stock Number 2805-00-383-8666, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-383-8666
Primary Part Number012961
Item NameFlywheel,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Nonsupply Items and QuantitiesFLYWHEEL W/RING GEAR 1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
2810-00-118-860112961 INTERCHANGEABLE
Pipe
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5315-00-281-8007R12430-1 INTERCHANGEABLE
Key,machine
Itw Food Equipment Group Llc Dba Hobart Service
4820-01-140-618712961 INTERCHANGEABLE
Valve,angle
Dragon Valves Inc
5365-01-569-212812961 INTERCHANGEABLE
Plug,machine Thread
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
6130-01-677-449812961 INTERCHANGEABLE
Power Supply
Northwest Power, Inc. Dba Northwest Power Integrations Inc
6210-01-720-992812961-101 INTERCHANGEABLE
Fixture,lighting
U.s. Pioneer, L.l.c.
6210-01-725-192112952-101 INTERCHANGEABLE
Light Set,general Illumination
U.s. Pioneer, L.l.c.
Cross-Reference Index
Part NumberManufacturer
12961 Mitsubishi Caterpillar Forklift America, Inc (USA)
07-851157 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
851157 Clark Equipment Co (USA)
851157 Dana Off Highway Products, Llc (USA)
F209C4010 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
012961 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
07-851157 Tvh Parts Co. (USA)
851157 Clark Material Handling Company (USA)
09-12961 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
09-12961 Tvh Parts Co. (USA)
Related Parts
2810-00-118-8601INTERCHANGEABLE
PIPE
12961
5315-00-281-8007INTERCHANGEABLE
KEY,MACHINE
R12430-1
4820-01-140-6187INTERCHANGEABLE
VALVE,ANGLE
12961
5365-01-569-2128INTERCHANGEABLE
PLUG,MACHINE THREAD
12961
6130-01-677-4498INTERCHANGEABLE
POWER SUPPLY
12961
6210-01-720-9928INTERCHANGEABLE
FIXTURE,LIGHTING
12961-101
6210-01-725-1921INTERCHANGEABLE
LIGHT SET,GENERAL ILLUMINATION
12952-101

Frequently Asked Questions

What is NSN 2805-00-383-8666?

NSN 2805-00-383-8666 is a Flywheel,engine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-383-8666?

NSN 2805-00-383-8666 has 10 cross-referenced part numbers: 12961 (Mitsubishi Caterpillar Forklift America, Inc), 07-851157 (Lift Parts Mfg Co Inc Div of Echlin Mfg Co the), 851157 (Clark Equipment Co), 851157 (Dana Off Highway Products, Llc), F209C4010 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc) and 5 more.

What NSN replaces 2805-00-383-8666?

There are 7 known substitutes for 2805-00-383-8666: 2810-00-118-8601, 5315-00-281-8007, 4820-01-140-6187 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 012961?

Key specifications for 012961: End Item Identification: 3920-00-271-1835; Nonsupply Items and Quantities: FLYWHEEL W/RING GEAR 1. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-383-8666 still in active supply?

NSN 2805-00-383-8666 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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