The Valve,pneumatic Inflator, cataloged under National Stock Number 4220-01-486-6844, 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 Mirada Research & Manufacturing, Inc.. 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 | 4220-01-486-6844 |
| Primary Part Number | B52004 |
| Item Name | Valve,pneumatic Inflator |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Mirada Research & Manufacturing, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| B52004 PRIMARY | Mirada Research & Manufacturing, Inc. (USA) |
NSN 4220-01-486-6844 is a Valve,pneumatic Inflator, manufactured by Mirada Research & Manufacturing, Inc., classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-486-6844 has 1 manufacturer part number on file: B52004 (Mirada Research & Manufacturing, Inc.).
Key specifications for B52004: Special Features: INFLATION KIT ACTING AS A TOPPING-UP VALVE FROM A REMOTE LOCATION, HOLD OPEN STYLE, USED ON TSS 6899, 15 MAN BOAT SPEED TUBES, BLACK VALVES AND HOSE; Part Name Assigned by Controlling Agency: REMOTE TOPPING VALVE SYSTEM. 0 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.