The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-332-1322, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Daimler Truck North America Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-332-1322 |
| Primary Part Number | CSL HV22 48 |
| Item Name | Valve,bleeder,hydraulic System |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Daimler Truck North America Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 CAP AND 1 CHAIN |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | ANGLE |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | HYDRAULIC FLUID, PETROLEUM BASE SECOND RESPONSE |
| Media for Which Designed | FUEL/OIL, HYDROCARBON FIRST RESPONSE |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
| Part Number | Manufacturer |
|---|---|
| CSL HV22 48 | Daimler Truck North America Llc (USA) |
| Reference | Meaning |
|---|---|
| HV22-48 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-332-1322 is a Valve,bleeder,hydraulic System, manufactured by Daimler Truck North America Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-332-1322 has 1 manufacturer part number on file: CSL HV22 48 (Daimler Truck North America Llc).
Key specifications for CSL HV22 48: Furnished Items and Quantity: 1 CAP AND 1 CHAIN; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: ANGLE. 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.