The Valve,reduced Pressure, cataloged under National Stock Number 4820-00-159-3676, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-159-3676 |
| Item Name | Valve,reduced Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM BODY PER MIL-A-8097,COMPOSITION 2014 T6,ANODIZED SURFACE CRES SEAT PER AMS5610,QQ-S-763 CLASS 416SE,PASSIVATED SURFACE DESIGNED FOR HYDRAULIC OIL PER MIL-H-5606 3000 PSI RATED INLET PRESSURE 4500 PSI PROOF PRESSURE 7500 PSI BURST PRESSURE MINUS 65 DEG F TO PLUS 275 DEG F OPERATING TEMPERATURE INLET,OUTLET AND RETURN PORTS PER AND10050-6 REDUCED PRESSURE TO BE SET AT 300 PSI FROM 20 CU. IN. MIN TO 6 GPM FLOW RELIEF VALVE TO CRACK AT 275 PSI MAX REDUCED PRESSURE RELIEF VALVE TO FLOW 1.0 GPM MAX AT 375 PSI MAX REDUCED PRESSURE NOMINAL REGULATED PRESSURE TO BE IMPRESSED ON LEAD SEAL DEGF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 311074-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-159-3676 is a Valve,reduced Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-159-3676: General Characteristics Item Description: ALUMINUM BODY PER MIL-A-8097,COMPOSITION 2014 T6,ANODIZED SURFACE CRES SEAT PER AMS5610,QQ-S-763 CLASS 416SE,PASSIVATED SURFACE DESIGNED FOR HYDRAULIC OIL PER MIL-H-5606 3000 PSI RATED INLET PRESSURE 4500 PSI PROOF PRESSURE 7500 PSI BURST PRESSURE MINUS 65 DEG F TO PLUS 275 DEG F OPERATING TEMPERATURE INLET,OUTLET AND RETURN PORTS PER AND10050-6 REDUCED PRESSURE TO BE SET AT 300 PSI FROM 20 CU. IN. MIN TO 6 GPM FLOW RELIEF VALVE TO CRACK AT 275 PSI MAX REDUCED PRESSURE RELIEF VALVE TO FLOW 1.0 GPM MAX AT 375 PSI MAX REDUCED PRESSURE NOMINAL REGULATED PRESSURE TO BE IMPRESSED ON LEAD SEAL DEGF. 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.
NSN 4820-00-159-3676 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.