The Bleeder Valve,hyd, cataloged under National Stock Number 4820-00-601-5986, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-601-5986 |
| Item Name | Bleeder Valve,hyd |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; O/A LG 1.250 IN.; WIDTH ACROSS FLATS(HEXAGON) 0.375 IN.; THD SIZE 0.125-18 NPT 2A; TIP SEAT ANGLE 45.0 DEG; W/THREE BLEEDER HOLES 0.062 IN.DIA A |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 9879X161X2 PC 22 | 3/2 Design control — primary reference U.S. Government activity |
| 580-516-1701172R43-24-30360 | 5/9 Secondary reference U.S. Government activity |
| 73793-30X2 PIEC | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2640-691X2 PIEC | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 8579-178REVAPC22 | 3/2 Design control — primary reference U.S. Government activity |
| 8579-178 PIECE | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 585-516-1716132R43-24-30360 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-601-5986 is a Bleeder Valve,hyd, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-601-5986: General Characteristics Item Description: STEEL; O/A LG 1.250 IN.; WIDTH ACROSS FLATS(HEXAGON) 0.375 IN.; THD SIZE 0.125-18 NPT 2A; TIP SEAT ANGLE 45.0 DEG; W/THREE BLEEDER HOLES 0.062 IN.DIA A; Criticality Code Justification: FEAT; Special Features: WEAPON SYSTEM ESSENTIAL; End Item Identification: SUBMARINE SHIP CONTROL AND NAVIGATION SYSTEMS. 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.