The Piston,valve, cataloged under National Stock Number 4820-01-580-7330, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Imi Cash Valve Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-580-7330 |
| Primary Part Number | 18202 |
| Item Name | Piston,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Imi Cash Valve Inc |
| Status | ACTIVE |
| Valve Type for Which Designed | PRESSURE REDUCING |
| Valve Model Number for Which Designed | 12396-0010 |
| Material Document and Classification | BRASS MFR REF SINGLE MATERIAL RESPONSE |
| Valve Size for Which Designed | 0.750 INCHES IN |
| Valve Design Control Activity | 71342 |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 20275 ITEM 6 | Imi Cash Valve Inc (USA) |
| 12396 REV F ITEM 15 | Imi Cash Valve Inc (USA) |
| 18202 PRIMARY | Imi Cash Valve Inc (USA) |
NSN 4820-01-580-7330 is a Piston,valve, manufactured by Imi Cash Valve Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-580-7330 has 3 manufacturer part numbers on file: 20275 ITEM 6 (Imi Cash Valve Inc), 12396 REV F ITEM 15 (Imi Cash Valve Inc), 18202 (Imi Cash Valve Inc).
Key specifications for 18202: Valve Type for Which Designed: PRESSURE REDUCING; Valve Model Number for Which Designed: 12396-0010; Material Document and Classification: BRASS MFR REF SINGLE MATERIAL RESPONSE; Valve Size for Which Designed: 0.750 INCHES IN. 6 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.