The Breather, cataloged under National Stock Number 2805-01-331-6502, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Breather |
| FSC / FSG | 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components (FSG 28) |
| Parameter | Value |
|---|---|
| NSN | 2805-01-331-6502 |
| Item Name | Breather |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 90247 | 3/9 Design control — primary reference Tuthill Corporation Dba Tuthill Vacuum & Blower Systems |
| 90247 | 5/9 Secondary reference M-D Pneumatics Inc |
NSN 2805-01-331-6502 is a Breather, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5830-01-516-7985. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2805-01-331-6502 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.