The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-550-7744, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Interspiro Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-550-7744 |
| Primary Part Number | 460 190 513 |
| Item Name | Valve,pressure Equalizing,gaseou |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Interspiro 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 |
|---|---|
| 460 190 513 PRIMARY | Interspiro Inc (USA) |
| Reference | Meaning |
|---|---|
| 460190513 | 5/9 Secondary reference Rch (realisations Et Conseils Hyperbares) |
NSN 4820-01-550-7744 is a Valve,pressure Equalizing,gaseou, manufactured by Interspiro Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-550-7744 has 1 manufacturer part number on file: 460 190 513 (Interspiro Inc).
Key specifications for 460 190 513: Part Name Assigned by Controlling Agency: PRESSURE EQUALIZING PAD; End Item Identification: DIVATOR MKII DIVER'S MASK. 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.