The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-307-0087, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Robert Bosch Llc. Government technical data includes 1 specification, 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-307-0087 |
| Primary Part Number | 1-463-453-306 |
| Item Name | Valve,bleeder,hydraulic System |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Robert Bosch Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 1-463-453-306 PRIMARY | Robert Bosch Llc (USA) |
NSN 4820-01-307-0087 is a Valve,bleeder,hydraulic System, manufactured by Robert Bosch Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-307-0087 has 1 manufacturer part number on file: 1-463-453-306 (Robert Bosch Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-340-7028. Verify interchangeability with system specifications before substitution.
Key specifications for 1-463-453-306: Valve Operation Method: HYDRAULIC. 1 specification is 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.