The Valve Assembly,manifold, cataloged under National Stock Number 4820-00-005-7630, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Von Ruden Mfg Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-005-7630 |
| Primary Part Number | Y3393 |
| Item Name | Valve Assembly,manifold |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Von Ruden Mfg Inc |
| Status | ACTIVE |
| Valve Quantity | 2 |
| Operating Pressure and Type | 2200.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC FLUID, PETROLEUM BASE MAXIMUM REQUIRED LBS |
| Connection Type | THREADED INTERNAL PIPE |
| End Connection Quantity | 4 |
| Nominal Thread Size | 0.250 INCHES AND 0.750 INCHES IN |
| Body Material | ALUMINUM |
| Thread Series Designator | NPTF |
| 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 |
|---|---|
| Y3393 PRIMARY | Von Ruden Mfg Inc (USA) |
| Reference | Meaning |
|---|---|
| 67A230C124 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Y1375 | 5/9 Secondary reference Washington Scientific Industries Inc |
| 44157D108 | 5/9 Secondary reference U.S. Government activity |
| 7709-0781 | 5/9 Secondary reference U.S. Government activity |
| Y3393 | 5/9 Secondary reference Washington Scientific Industries Inc |
NSN 4820-00-005-7630 is a Valve Assembly,manifold, manufactured by Von Ruden Mfg Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-005-7630 has 1 manufacturer part number on file: Y3393 (Von Ruden Mfg Inc).
Key specifications for Y3393: Valve Quantity: 2; Operating Pressure and Type: 2200.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC FLUID, PETROLEUM BASE MAXIMUM REQUIRED LBS; Connection Type: THREADED INTERNAL PIPE; End Connection Quantity: 4. 8 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.