The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-190-9158, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-190-9158 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | ANGLE |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | PLAIN |
| Criticality Code Justification | ZZZY |
| Second End Nominal Pipe Size Accommodated | 0.500 INCHES IN |
| Material Document and Classification | MS106, AIR REDUCTION CO INC MFR REF SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| Second End Style Designator | SOCKET |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | RUBBER FLOW CONTROL DEVICE |
| Material | PLASTIC POLYAMIDE GLASS FILLED AND RUBBER SEAT |
| Media for Which Designed | OXYGEN, GASEOUS |
| Maximum Inlet Pressure Rating | ERR-060 |
| Second End Connection Type | UNTHREADED INTERNAL PIPE |
| Thread Size and Series/type Designator | 1/4-18 NPT FIRST END |
| Outlet Pressure Setting | ERR-060 |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| 901A005 | 5/9 Secondary reference Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| MIL-V-24336 | 4/1 Identification reference U.S. Government activity |
| 901A005 | 3/1 Design control — primary reference Tescom Corp Dba Tescom Div Tescom |
NSN 4820-01-190-9158 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-190-9158: Flow Control Device: DIAPHRAGM; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: NOT IDENTICAL; Body Style: ANGLE. 21 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.
NSN 4820-01-190-9158 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.