The Valve,hold,boom Hoist Cylinder, cataloged under National Stock Number 4820-01-565-7662, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-565-7662 |
| Item Name | Valve,hold,boom Hoist Cylinder |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Connection Type | THREADED CARTRIDGETHREADED CARTRIDGE |
| End Connection Quantity | 11 |
| Adjustable Pressure Range | +300.0 TO 5000.0 POUNDS PER SQUARE INCH+300.0 TO 5000.0 POUNDS PER SQUARE INCH LBS |
| Nominal Thread Size | 0.875 INCHES0.875 INCHES IN |
| Thread Class | 2A2A |
| Material | STEEL BODY |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Pilot Ratio | 3 TO 13 TO 1 |
| Valve Discharge Flow Rate | 12.0 GALLONS PER MINUTE12.0 GALLONS PER MINUTE |
| Valve Operation Method | PILOTPILOT |
| 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 |
|---|---|
| CB101AS30 | 3/2 Design control — primary reference U.S. Government activity |
| CB101AS30 | 3/9 Design control — primary reference Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division |
NSN 4820-01-565-7662 is a Valve,hold,boom Hoist Cylinder, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-565-7662: Connection Type: THREADED CARTRIDGETHREADED CARTRIDGE; End Connection Quantity: 11; Adjustable Pressure Range: +300.0 TO 5000.0 POUNDS PER SQUARE INCH+300.0 TO 5000.0 POUNDS PER SQUARE INCH LBS; Nominal Thread Size: 0.875 INCHES0.875 INCHES IN. 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.