The Retainer,disk,valve, cataloged under National Stock Number 4820-01-441-1571, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mcstay Engineered Products Company. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-441-1571 |
| Primary Part Number | V1393H |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Mcstay Engineered Products Company |
| Status | ACTIVE |
| Valve Size for Which Designed | 1.500 INCHES IN |
| Valve Design Control Activity | 86184 |
| 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 |
|---|---|
| V1393H | Mcstay Engineered Products Company (USA) |
| Reference | Meaning |
|---|---|
| V1393H | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-441-1571 is a Retainer,disk,valve, manufactured by Mcstay Engineered Products Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-441-1571 has 1 manufacturer part number on file: V1393H (Mcstay Engineered Products Company).
Key specifications for V1393H: Valve Size for Which Designed: 1.500 INCHES IN; Valve Design Control Activity: 86184; End Item Identification: 4820-01-441-1361;GLOBE VALVE; Material: COPPER ALLOY. 3 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.