The Breather Cap,aircra, cataloged under National Stock Number 4920-01-561-4522, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Breather Cap,aircra |
| FSC / FSG | 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division (CAGE 12255); Western Metro (CAGE 6V742); Zemarc Corporation (CAGE 7P915) |
| Parameter | Value |
|---|---|
| NSN | 4920-01-561-4522 |
| Primary Part Number | 802027334315-3 |
| Item Name | Breather Cap,aircra |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 802027334315-3 | Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division (USA) |
| 414000 | Western Metro (USA) |
| 414000 | Zemarc Corporation (USA) |
| Reference | Meaning |
|---|---|
| 550TC07-05-SA-NNN-HP-15 | 5/9 Secondary reference Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products |
| 802027334315-3 | 3/9 Design control — primary reference Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division |
NSN 4920-01-561-4522 is a Breather Cap,aircra, manufactured by Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-561-4522 has 3 manufacturer part numbers on file: 802027334315-3 (Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division), 414000 (Western Metro), 414000 (Zemarc Corporation).
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.