The Cover,breather, cataloged under National Stock Number 2805-00-776-2282, 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 Briggs and Stratton Corp. Government technical data includes 1 specification, 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-776-2282 |
| Primary Part Number | 66578 |
| Item Name | Cover,breather |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Briggs and Stratton Corp |
| Status | ACTIVE |
| General Characteristics Item Description | SYNTHETIC RUBBER,0.875 IN. H,SPLIT FOR MTG,MTG BASE 0.625 IN. LG,MTG END 0.312 ID,45 DEG ELBOW,0.375 IN. BORE DIA,0.562 IN. BEAD DIA,BOTTOM OF MTG END TO CENTER OF BORE END 0.750 IN. IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2805-00-776-2282 is a Cover,breather, manufactured by Briggs and Stratton Corp, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-776-2282 has 2 manufacturer part numbers on file: 66578 (Briggs and Stratton Corp), 66578 (Briggs & Stratton Uk Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-661-0811. Verify interchangeability with system specifications before substitution.
Key specifications for 66578: General Characteristics Item Description: SYNTHETIC RUBBER,0.875 IN. H,SPLIT FOR MTG,MTG BASE 0.625 IN. LG,MTG END 0.312 ID,45 DEG ELBOW,0.375 IN. BORE DIA,0.562 IN. BEAD DIA,BOTTOM OF MTG END TO CENTER OF BORE END 0.750 IN. IN. 1 specification is 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.