The Breather, cataloged under National Stock Number 2805-01-719-9183, 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 Caterpillar Inc Div Caterpillar Defense. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-01-719-9183 |
| Primary Part Number | 522-1451 |
| Item Name | Breather |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Filter Type | DRY |
| Outside Diameter | 2.400 INCHES NOMINAL IN |
| 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 |
|---|---|
| 522-1451 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 2805-01-719-9183 is a Breather, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-01-719-9183 has 1 manufacturer part number on file: 522-1451 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 522-1451: Filter Type: DRY; Outside Diameter: 2.400 INCHES NOMINAL IN; Overall Length: 1.380 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: HYDRAULIC FILTER ELEMENT BREATHER. 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.