The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-052-6117, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-052-6117 |
| Item Name | Valve,bleeder,hydraulic System |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 005-624-15 | 5/9 Secondary reference U.S. Government activity |
| 005-624-15-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-01-052-6117 is a Valve,bleeder,hydraulic System, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-052-6117: Special Features: DESIGNED FOR BLEEDING AIR FROM HYDRAULIC SYSTEMS; SIGHT TUBE PROVIDES VISUAL INDICATION OF AIR BUBBLES IN THE FLOW WHEN BLEED VALVE BUTTON IS PRESSED; CRACKING PRESSURE SET TO CRACK AT 145 PSI;ADJUSTABLE RANGE OF 20 TO 150 PSI;PORT SIZE BOSS FOR 3/8 IN. OD TUBE SIZE;HANDLE LOAD TO UNSEAT VALVE AT 150 PSI-16LBS;TO OPEN VALVE FULL AT 150 PSI-21LBS,HANDLE TRAVEL 11/32 IN.;WEIGHT 8 OZ;CAUTION ASSEMBLY MUST BE MOUNTED ON PANEL OR BRACKET TO SECURE FREE END OF SIGHT TUBE LBS. 0 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.