NSN 2805-01-227-5964 · NIIN 012275964 · Part number 74910028
Kalmar AC Inc · FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 0AHU0
Government record, cited
NSN 2805-01-227-5964 — this item is cataloged by the U.S. Government under National Stock Number 2805-01-227-5964. Manufacturer of record part number: 74910028.
Also searched as2805-01-227-5964 ·
2805012275964 ·
NIIN 012275964 ·
01-227-5964 ·
FSC 2805 Gasoline Reciprocating Engines, Except Aircraft; and Components · CAGE 0AHU0 · 74910028 · 74910028-5
Ring Set Component Parts: COMPRESSION RING,4910028,30612,2;OIL RING,4910028,30612,1;SCRAPER RING,4910028,30612,1
Piston Accommodation Quantity: 6
Standard Bore Diameter: 3.438 INCHES IN
2 manufacturer part numbers on file
Manufacturer of record: Kalmar AC Inc
Identification
NSN: 2805-01-227-5964
NIIN: 012275964
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 74910028
Manufacturer: Kalmar AC Inc
General Description
The Ring Set,piston, cataloged under National Stock Number 2805-01-227-5964, 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 Kalmar AC Inc. Government technical data includes 4 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 2805-01-227-5964?
NSN 2805-01-227-5964 is a Ring Set,piston, manufactured by Kalmar AC Inc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
What part numbers are listed for NSN 2805-01-227-5964?
NSN 2805-01-227-5964 has 2 manufacturer part numbers on file: 74910028-5 (Kalmar AC Inc), 74910028 (Kalmar AC Inc).
What are the specifications of 74910028?
Key specifications for 74910028: Bore Diameter Oversize: 0.040 INCHES IN; Ring Set Component Parts: COMPRESSION RING,4910028,30612,2;OIL RING,4910028,30612,1;SCRAPER RING,4910028,30612,1; Piston Accommodation Quantity: 6; Standard Bore Diameter: 3.438 INCHES IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 2805-01-227-5964 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.