The Valve,safety Relief, cataloged under National Stock Number 4820-01-453-3384, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Supreme Integrated Technology, Inc. Dba C.s. Controls. Government technical data includes 10 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 | 4820-01-453-3384 |
| Primary Part Number | FCVL-10-N-S-O-FF |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Supreme Integrated Technology, Inc. Dba C.s. Controls |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | PLAIN (SCREW-IN CARTRIDGE) ALL ENDS |
| Connection Type | THREADED CARTRIDGE ALL ENDS |
| Style Designator | SCREW-IN CARTRIDGE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.875 INCHES ALL ENDS IN |
| Thread Class | 2A ALL ENDS A |
| Material | STEEL BODY |
| Thread Series Designator | UNF ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| FCVL-10-N-S-O-FF PRIMARY | Supreme Integrated Technology, Inc. Dba C.s. Controls (USA) |
| FCVL-10-N-S-0-F PRIMARY | Hhe Services, Inc. (USA) |
| 2063F-001 ITEM 17 | Supreme Integrated Technology, Inc. Dba C.s. Controls (USA) |
NSN 4820-01-453-3384 is a Valve,safety Relief, manufactured by Supreme Integrated Technology, Inc. Dba C.s. Controls, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-453-3384 has 3 manufacturer part numbers on file: FCVL-10-N-S-O-FF (Supreme Integrated Technology, Inc. Dba C.s. Controls), FCVL-10-N-S-0-F (Hhe Services, Inc.), 2063F-001 ITEM 17 (Supreme Integrated Technology, Inc. Dba C.s. Controls).
Key specifications for FCVL-10-N-S-O-FF: Flow Control Device: POPPET; Connection Style: PLAIN (SCREW-IN CARTRIDGE) ALL ENDS; Connection Type: THREADED CARTRIDGE ALL ENDS; Style Designator: SCREW-IN CARTRIDGE. 10 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.