The Valve,check, cataloged under National Stock Number 4820-01-697-5725, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Walvoil Fluid Power Corp. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-697-5725 |
| Primary Part Number | VBPDLT12 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Walvoil Fluid Power Corp |
| Status | ACTIVE |
| Center to Center Distance | 68.0 MILLIMETERS MM |
| Nominal Length | 35.0 MILLIMETERS ALL ENDS MM |
| Minimum Operating Temp | -40.0 FAHRENHEIT DEGF |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 210.0 BAR MAXIMUM SINGLE RESPONSE |
| Valve Size | 0.50 INCHES IN |
| Maximum Operating Temp | 212.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Width | 110.0 MILLIMETERS ALL ENDS MM |
| Material | ALUMINUM BODY |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-697-5725 is a Valve,check, manufactured by Walvoil Fluid Power Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-697-5725 has 2 manufacturer part numbers on file: 122593 (Haulmark Trailers (australia) Pty Ltd), VBPDLT12 (Walvoil Fluid Power Corp).
Key specifications for VBPDLT12: Center to Center Distance: 68.0 MILLIMETERS MM; Nominal Length: 35.0 MILLIMETERS ALL ENDS MM; Minimum Operating Temp: -40.0 FAHRENHEIT DEGF; Connection Type: THREADED INTERNAL TUBE ALL ENDS. 11 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.