The Cylinder Sleeve, cataloged under National Stock Number 2805-01-346-3254, 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 Fairbanks Morse, Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-01-346-3254 |
| Primary Part Number | NFA4018A |
| Item Name | Cylinder Sleeve |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Bore Diameter | 4.250 INCHES NOMINAL IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 13NFA1C | Fairbanks Morse, Llc (USA) |
| NFA4018A PRIMARY | Fairbanks Morse, Llc (USA) |
| AVP10S61-2039ALT4PC2T04 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| AVP10S61-2039ALT4PC2TO4 | 5/2 Secondary reference U.S. Government activity |
| NFA4018A | 3/9 Design control — primary reference U.S. Government activity |
| 13NFA1C | 5/9 Secondary reference U.S. Government activity |
| 4018NFA | 5/9 Secondary reference U.S. Government activity |
NSN 2805-01-346-3254 is a Cylinder Sleeve, manufactured by Fairbanks Morse, Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-01-346-3254 has 3 manufacturer part numbers on file: 13NFA1C (Fairbanks Morse, Llc), NFA4018A (Fairbanks Morse, Llc), AVP10S61-2039ALT4PC2T04 (Naval Sea Systems Command).
Key specifications for NFA4018A: Special Features: USED IN 4 CYCLE ENGINE SHIPBOARD; Bore Diameter: 4.250 INCHES NOMINAL IN; Material: STEEL. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.