The Breather, cataloged under National Stock Number 2815-00-405-1798, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Cummins Filtration Inc Dba Fleetguard Div Cummins Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-405-1798 |
| Primary Part Number | 2S7225S |
| Item Name | Breather |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Cummins Filtration Inc Dba Fleetguard Div Cummins Inc |
| Status | ACTIVE |
| Outside Diameter | 2.060 INCHES MAXIMUM IN |
| Body 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 |
|---|---|
| 2S7225S PRIMARY | Cummins Filtration Inc Dba Fleetguard Div Cummins Inc (USA) |
| Reference | Meaning |
|---|---|
| 105019 | 5/9 Secondary reference Cummins Inc. |
| 257225 | 5/9 Secondary reference Cummins Inc. |
NSN 2815-00-405-1798 is a Breather, manufactured by Cummins Filtration Inc Dba Fleetguard Div Cummins Inc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-405-1798 has 1 manufacturer part number on file: 2S7225S (Cummins Filtration Inc Dba Fleetguard Div Cummins Inc).
5 possible matches (shared part number, not a government interchangeability claim): 4470-01-216-8928, 5999-01-254-2018, 6110-01-439-2254. Verify interchangeability with system specifications before substitution.
Key specifications for 2S7225S: Outside Diameter: 2.060 INCHES MAXIMUM IN; Body Material: STEEL; Special Features: 0.0299 IN.THK PERFORATED SHEET,W/4 EXTERNAL SQUARE KEYS 0.250 IN.W,SPACED 75 DEGS APART,CLOCKWISE,V SLOT,60 DEGS ARC-CUT TO FORM CONE W/120 DEG ANGLE OF PEAK AND 1.750 IN.BASE DIA IN; End Item Identification: CLARK MODEL 290M;TRACTOR,WHELED,IND.,DIESEL DRIVEN;MED DBP,NSN 2420000889384,W/ROPS NSN 2420010590090;AND CUMMINS ENGINE CO MODELS V6 AND V8 W. 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.