NSN 2805-00-630-2991 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-630-2991. Manufacturer of record part number: DR3S10.
Also searched as2805-00-630-2991 ·
2805006302991 ·
NIIN 006302991 ·
00-630-2991 ·
FSC 2805 Gasoline Reciprocating Engines, Except Aircraft; and Components · CAGE 66289 · DR3S10 · DR3P010
Ring Set Component Parts: COMPRESSION RING,DC-155,66289,2; SCRAPER RING,DC-155-1,66289,1; OIL RING,DC-157,66289,1
Piston Accommodation Quantity: 1
Standard Bore Diameter: 2.500 INCHES IN
2 manufacturer part numbers on file
Manufacturer of record: Wisconsin Motors, Llc
Identification
NSN: 2805-00-630-2991
NIIN: 006302991
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: DR3S10
Manufacturer: Wisconsin Motors, Llc
General Description
The Ring Set,piston, cataloged under National Stock Number 2805-00-630-2991, 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 Wisconsin Motors, Llc. Government technical data includes 5 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.
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.
2805-00-010-2959
2805-00-010-2959 · Item name not on file
2805-00-066-3426
TAPPET,ENGINE POPPET VALVE
2805-00-326-0797
SPRING,COUPLING FLA
2805-00-395-7778
BALL,BY-PASS VALVE
2805-00-422-9321
RING SET,PISTON
2805-00-447-9114
VALVE,POPPET,ENGINE
2805-00-448-0786
CAMSHAFT
2805-00-561-9463
GUIDE,VALVE STEM
Frequently Asked Questions
What is NSN 2805-00-630-2991?
NSN 2805-00-630-2991 is a Ring Set,piston, manufactured by Wisconsin Motors, Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
What part numbers are listed for NSN 2805-00-630-2991?
NSN 2805-00-630-2991 has 2 manufacturer part numbers on file: DR3S10 (Wisconsin Motors, Llc), DR3P010 (Wisconsin Motors, Llc).
What are the specifications of DR3S10?
Key specifications for DR3S10: FSC Application Data: GASOLINE ENGINE; Bore Diameter Oversize: 0.010 INCHES IN; Ring Set Component Parts: COMPRESSION RING,DC-155,66289,2; SCRAPER RING,DC-155-1,66289,1; OIL RING,DC-157,66289,1; Piston Accommodation Quantity: 1. 5 specifications are documented in the U.S. Government catalog.
Is NSN 2805-00-630-2991 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.
What is the DEMIL code for NSN 2805-00-630-2991?
NSN 2805-00-630-2991 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.