The Valve,check, cataloged under National Stock Number 4820-01-423-5129, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Vogt Edward Valve Co a British Tire & Rubber Co. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-423-5129 |
| Primary Part Number | D-170416-1.50-A868Y |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Vogt Edward Valve Co a British Tire & Rubber Co |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | SOCKET (TUBE) ALL ENDS |
| Mounting Position | HORIZONTAL |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES ALL ENDS IN |
| Disk Loading Method | SPRING |
| Material | STEEL BODY |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING STEM |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE PACKING |
| 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 |
|---|---|
| D-170416-1.50-A868Y PRIMARY | Vogt Edward Valve Co a British Tire & Rubber Co (USA) |
| Reference | Meaning |
|---|---|
| D-170416-1.50-A868Y REV0 | 5/9 Secondary reference Vogt Edward Valve Co a British Tire & Rubber Co |
NSN 4820-01-423-5129 is a Valve,check, manufactured by Vogt Edward Valve Co a British Tire & Rubber Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-423-5129 has 1 manufacturer part number on file: D-170416-1.50-A868Y (Vogt Edward Valve Co a British Tire & Rubber Co).
Key specifications for D-170416-1.50-A868Y: Flow Control Device: DISK; Connection Style: SOCKET (TUBE) ALL ENDS; Mounting Position: HORIZONTAL; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS. 12 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.