NSN 2810-01-642-6178 · NIIN 016426178 · Part number 325-9492
Caterpillar Inc Div Caterpillar Defense · FSC 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 11083
Government record, cited
NSN 2810-01-642-6178 — this item is cataloged by the U.S. Government under National Stock Number 2810-01-642-6178. Manufacturer of record part number: 325-9492.
Also searched as2810-01-642-6178 ·
2810016426178 ·
NIIN 016426178 ·
01-642-6178 ·
FSC 2810 Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components · CAGE 11083 · 325-9492 · 4194294
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 2810-01-642-6178
NIIN: 016426178
FSC: 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 325-9492
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Piston,internal Combustion Engin, cataloged under National Stock Number 2810-01-642-6178, is classified within Federal Supply Class 2810 (Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2810-01-642-6178
Primary Part Number
325-9492
Item Name
Piston,internal Combustion Engin
FSC / FSG
2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
Other items in FSC 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2810-00-001-3863
2810-00-001-3863 · Item name not on file
2810-00-001-9036
SUPPORT,INDICATOR
2810-00-001-9113
2810-00-001-9113 · Item name not on file
2810-00-001-9116
2810-00-001-9116 · Item name not on file
2810-00-001-9117
2810-00-001-9117 · Item name not on file
2810-00-001-9592
2810-00-001-9592 · Item name not on file
2810-00-003-5864
2810-00-003-5864 · Item name not on file
2810-00-004-0436
POPPET,VALVE
Frequently Asked Questions
What is NSN 2810-01-642-6178?
NSN 2810-01-642-6178 is a Piston,internal Combustion Engin, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
What part numbers are listed for NSN 2810-01-642-6178?
NSN 2810-01-642-6178 has 2 manufacturer part numbers on file: 4194294 (Oshkosh Defense Llc), 325-9492 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 325-9492?
Key specifications for 325-9492: Head Style: FLAT; Ring Groove Quantity: 4; Part Name Assigned by Controlling Agency: BODY ASSY, PISTON; End Item Identification: 2320-01-534-1091; TRUCK, CARGO. 2 specifications are documented in the U.S. Government catalog.
Is NSN 2810-01-642-6178 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.