The Disk,valve, cataloged under National Stock Number 4820-01-331-3632, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Interspiro Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-331-3632 |
| Primary Part Number | 460 190 412 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Interspiro Inc |
| Status | ACTIVE |
| Shank Diameter | 0.150 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 0.165 INCHES NOMINAL IN |
| Outside Diameter | 2.188 INCHES NOMINAL IN |
| Style Designator | SWING CHECK |
| Media for Which Designed | WATER |
| 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 |
|---|---|
| DE7588 | Jfd Ltd (GBR) |
| DX53 | Jfd Ltd (GBR) |
| 460190412 | Interspiro Gmbh (DEU) |
| 460 190 412 PRIMARY | Interspiro Inc (USA) |
| 336-100-003 | Interspiro Inc (USA) |
| 336-100-003 | Interspiro Ltd (GBR) |
| 6318015 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| F3600-012447 | 6/9 Informative reference only Forsvarets Materielverk |
NSN 4820-01-331-3632 is a Disk,valve, manufactured by Interspiro Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-331-3632 has 7 manufacturer part numbers on file: DE7588 (Jfd Ltd), DX53 (Jfd Ltd), 460190412 (Interspiro Gmbh), 460 190 412 (Interspiro Inc), 336-100-003 (Interspiro Inc) and 2 more.
Key specifications for 460 190 412: Shank Diameter: 0.150 INCHES NOMINAL IN; Flange Seat to Disk End Height: 0.165 INCHES NOMINAL IN; Outside Diameter: 2.188 INCHES NOMINAL IN; Style Designator: SWING CHECK. 5 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.