The Breather, cataloged under National Stock Number 2805-00-231-7357, 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 Emcor Enclosures Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 2805-00-231-7357 |
| Primary Part Number | 28270AL |
| Item Name | Breather |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Emcor Enclosures Llc |
| Status | ACTIVE |
| Outside Diameter | 1.515 INCHES MAXIMUM IN |
| Connection Type | THREADED |
| Body Material | STEEL |
| Thread Size and Series/type Designator | 1/8-27 NPT |
| 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 |
|---|---|
| 28270AL PRIMARY | Emcor Enclosures Llc (USA) |
| Reference | Meaning |
|---|---|
| 420V3913 | 5/9 Secondary reference Minnpar, Llc Dba Minnpar |
| 1213-30 | 5/9 Secondary reference U.S. Government activity |
| 420V3913 | 5/9 Secondary reference U.S. Government activity |
NSN 2805-00-231-7357 is a Breather, manufactured by Emcor Enclosures Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-231-7357 has 1 manufacturer part number on file: 28270AL (Emcor Enclosures Llc).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-446-8180. Verify interchangeability with system specifications before substitution.
Key specifications for 28270AL: Outside Diameter: 1.515 INCHES MAXIMUM IN; Connection Type: THREADED; Overall Length: 2.208 INCHES MAXIMUM IN; Body Material: STEEL. 4 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.