The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-503-2586, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hynautic Inc Div of Sta-Rite Industries Inc. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-503-2586 |
| Primary Part Number | KF-111 |
| Item Name | Valve,bleeder,hydraulic System |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hynautic Inc Div of Sta-Rite Industries Inc |
| Status | ACTIVE |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Valve Operation Method | AUTOMATICAUTOMATIC |
| 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 |
|---|---|
| KF-111 PRIMARY | Hynautic Inc Div of Sta-Rite Industries Inc (USA) |
NSN 4820-01-503-2586 is a Valve,bleeder,hydraulic System, manufactured by Hynautic Inc Div of Sta-Rite Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-503-2586 has 1 manufacturer part number on file: KF-111 (Hynautic Inc Div of Sta-Rite Industries Inc).
Key specifications for KF-111: Connection Type: THREADED EXTERNAL PIPE ALL ENDS; End Item Identification: E/I:STERN DRIVE MODEL K-6,MDL.520 1.43.1 RTOE/I:STERN DRIVE MODEL K-6,MDL.520 1.43.1 RTO; Valve Operation Method: AUTOMATICAUTOMATIC. 2 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.