The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-596-3517, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-596-3517 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Thread Class | 2B |
| Offset Distance | 1.250 INCHES NOMINAL IN |
| Body Style | STRAIGHT THRU W/OFFSET |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| Second End Thread Direction | RIGHT-HAND |
| Valve Loading Method | SPRING |
| Second End Style Designator | GASKET SEAL |
| First End Connection Type | UNTHREADED EXTERNAL HOSE |
| Surface Treatment | PAINT OUTSIDE |
| First End Outside Diameter Hose Accommodated | 0.875 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY BODY |
| Maximum Inlet Pressure Rating | ERR-060 |
| Second End Connection Type | THREADED INTERNAL BOSS |
| Thread Size and Series/type Designator | 0.562-18 UNF SECOND END |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| P1011-2 | 3/9 Design control — primary reference Air Dry Co of America, Llc |
| P1011-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-596-3517 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4010-01-212-0278. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-00-596-3517: Flow Control Device: DISK; Second End Relationship with First End: NOT IDENTICAL; Second End Thread Class: 2B; Offset Distance: 1.250 INCHES NOMINAL IN. 19 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.