The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-675-1305, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Wilwood Engineering. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-675-1305 |
| Primary Part Number | 220-0063 |
| Item Name | Valve,bleeder,hydraulic System |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Wilwood Engineering |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.125 INCHES FIRST END IN |
| Connection Style | BEADED (HOSE) SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Style Designator | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS. |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.125 INCHES FIRST END IN |
| Face to Face Distance | 1.01 INCHES IN |
| Thread Quantity Per Inch | 27 FIRST END |
| Material | COPPER ALLOY AND STEEL BODY |
| Thread Series Designator | NPT FIRST END |
| Valve Operation Method | HYDRAULIC |
| 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 |
|---|---|
| 220-0063 PRIMARY | Wilwood Engineering (USA) |
| Reference | Meaning |
|---|---|
| 4351074 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 4820-01-675-1305 is a Valve,bleeder,hydraulic System, manufactured by Wilwood Engineering, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-675-1305 has 1 manufacturer part number on file: 220-0063 (Wilwood Engineering).
Key specifications for 220-0063: Nominal Pipe Size Accommodated: 0.125 INCHES FIRST END IN; Connection Style: BEADED (HOSE) SECOND END; Connection Type: THREADED EXTERNAL PIPE FIRST END; Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.. 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.