The Valve,check, cataloged under National Stock Number 4820-01-290-7285, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-290-7285 |
| Primary Part Number | VAL-1428 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Media for Which Designed | REFRIGERANT 12 SINGLE RESPONSE |
| Thread Series Designator | NPT 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 |
|---|---|
| VAL-1428 PRIMARY | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
NSN 4820-01-290-7285 is a Valve,check, manufactured by Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-290-7285 has 1 manufacturer part number on file: VAL-1428 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters).
Key specifications for VAL-1428: Flow Control Device: DISK; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 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.