The Valve,lift-Check, cataloged under National Stock Number 4820-01-314-3753, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-314-3753 |
| Item Name | Valve,lift-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| FSC Application Data | LP AIR SYSTEM |
| Nominal Pipe Size Accommodated | 1.250 INCHES ALL ENDS IN |
| Connection Style | STREAMLINED WITH ONE BRAZING RING (PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 167WS | 5/9 Secondary reference U.S. Government activity |
| PL-21262 PIECE 453 | 5/9 Secondary reference U.S. Government activity |
| VAL1926 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| VAL1926 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| PL-21262 PIECE 453 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| VAL1926 | 5/9 Secondary reference U.S. Government activity |
| PL-21262 PIECE 453 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 4820-01-314-3753 is a Valve,lift-Check, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-314-3753: FSC Application Data: LP AIR SYSTEM; Nominal Pipe Size Accommodated: 1.250 INCHES ALL ENDS IN; Connection Style: STREAMLINED WITH ONE BRAZING RING (PIPE) ALL ENDS; Mounting Position: HORIZONTAL. 9 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.