NSN 2805-01-343-9870 · NIIN 013439870 · Part number 2W8646
Caterpillar Inc Div Caterpillar Defense · FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 11083
Government record, cited
NSN 2805-01-343-9870 — this item is cataloged by the U.S. Government under National Stock Number 2805-01-343-9870. Manufacturer of record part number: 2W8646.
Also searched as2805-01-343-9870 ·
2805013439870 ·
NIIN 013439870 ·
01-343-9870 ·
FSC 2805 Gasoline Reciprocating Engines, Except Aircraft; and Components · CAGE 11083 · 2W8646 · DS-2W-8646
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 2805-01-343-9870
NIIN: 013439870
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 2W8646
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Ring Set,piston, cataloged under National Stock Number 2805-01-343-9870, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Diesel Specialists, L.l.c. Dba Diesel Parts Direct
No interchangeability data on file.
Other items in FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2805-00-000-4022
2805-00-000-4022 · Item name not on file
2805-00-001-0029
2805-00-001-0029 · Item name not on file
2805-00-001-3527
2805-00-001-3527 · Item name not on file
2805-00-001-3844
2805-00-001-3844 · Item name not on file
2805-00-001-3854
COVER,FLYWHEEL
2805-00-001-6154
2805-00-001-6154 · Item name not on file
2805-00-001-6164
FLYWHEEL,ENGINE
2805-00-001-6575
RING SET,PISTON
Frequently Asked Questions
What is NSN 2805-01-343-9870?
NSN 2805-01-343-9870 is a Ring Set,piston, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
What part numbers are listed for NSN 2805-01-343-9870?
NSN 2805-01-343-9870 has 1 manufacturer part number on file: 2W8646 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 2W8646?
Key specifications for 2W8646: Bore Diameter Oversize: 0.020 INCHES IN; Piston Accommodation Quantity: 1. 2 specifications are documented in the U.S. Government catalog.
Is NSN 2805-01-343-9870 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.