The Breather, cataloged under National Stock Number 2805-00-343-5490, 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 Falls Filtration Technologies, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 2805-00-343-5490 |
| Primary Part Number | A15120 |
| Item Name | Breather |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Falls Filtration Technologies, Inc. |
| Status | ACTIVE |
| Outside Diameter | 2.250 INCHES NOMINAL IN |
| Connection Type | PUSH IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A15120 | Falls Filtration Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 535530 | 3/9 Design control — primary reference Teledyne Industries Inc Teledyne Power Systems Div |
NSN 2805-00-343-5490 is a Breather, manufactured by Falls Filtration Technologies, Inc., classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-343-5490 has 1 manufacturer part number on file: A15120 (Falls Filtration Technologies, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 6610-00-875-3039, 5330-01-244-3740, 3010-01-359-1190. Verify interchangeability with system specifications before substitution.
Key specifications for A15120: Outside Diameter: 2.250 INCHES NOMINAL IN; Connection Type: PUSH IN; Overall Length: 2.625 INCHES NOMINAL IN; Special Features: W/ONE VENT 1.500 IN. OD IN. 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.
NSN 2805-00-343-5490 has DEMIL Code B. 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.