The Valve,shut Off, cataloged under National Stock Number 4220-01-172-5822, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is United States Department of the Navy Dba Naval Surface Warfare Center Panama City. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,shut Off |
| FSC / FSG | 4220 — Marine Lifesaving and Diving Equipment (FSG 42) |
| Manufacturers | United States Department of the Navy Dba Naval Surface Warfare Center Panama City (CAGE 07070) |
| Parameter | Value |
|---|---|
| NSN | 4220-01-172-5822 |
| Primary Part Number | 22904-2 |
| Item Name | Valve,shut Off |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | United States Department of the Navy Dba Naval Surface Warfare Center Panama City |
| 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 |
|---|---|
| 22904-2 PRIMARY | United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA) |
| Reference | Meaning |
|---|---|
| C34A00502 | 5/9 Secondary reference Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip |
NSN 4220-01-172-5822 is a Valve,shut Off, manufactured by United States Department of the Navy Dba Naval Surface Warfare Center Panama City, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-172-5822 has 1 manufacturer part number on file: 22904-2 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City).
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.