The Regulator,breathing Gas Pressure, cataloged under National Stock Number 4220-01-668-4724, 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 Scubapro. Government technical data includes 1 specification, 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 | 4220-01-668-4724 |
| Primary Part Number | MK25/S560 |
| Item Name | Regulator,breathing Gas Pressure |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Scubapro |
| Status | ACTIVE |
| Installation Design | PORTABLE |
| 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 |
|---|---|
| MK25/S560 PRIMARY | Scubapro (USA) |
NSN 4220-01-668-4724 is a Regulator,breathing Gas Pressure, manufactured by Scubapro, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-668-4724 has 1 manufacturer part number on file: MK25/S560 (Scubapro).
Key specifications for MK25/S560: Special Features: 1ST STAGE TYPE: BALANCED FLOW-THRU POSITION,LP PORTS: 4,HP PORTS: 2,2ND STAGE TYPE: AIR-BALANCING VALVE,MATERIALS: 1ST STAGE-CHROME PLATED BRASS,2D STAGE VALVE HOUSING-TECHNI POLYMER,CASE: MOLDED CARBON FIBER AND TECHNO POLYMER,HOSE THREAD 0.375 INCHES,WEIGHT: 32.2 OUNCES,WEIGHT WITH PACKAGING: 3.6 POUNDS LBS; Part Name Assigned by Controlling Agency: REGULATOR; Installation Design: PORTABLE. 1 specification is 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.