The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-197-6930, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-197-6930 |
| Primary Part Number | 5192220 ITEM 40 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flow Control Device | DISK |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Seat Angle in Deg | 37.0 |
| First End Thread Class | 3A A |
| First End Style Designator | PLAIN |
| Material Document and Classification | 2024, T351 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED EXTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 FLOW CONTROL DEVICE |
| Material | ALUMINUM ALLOY 2024 BODY |
| Media for Which Designed | CARBON DIOXIDE |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 7/16-20 UNF FIRST 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 |
| Part Number | Manufacturer |
|---|---|
| 5192220 ITEM 40 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1826-101-500 | 3/9 Design control — primary reference Conax Buffalo Corp |
NSN 4820-01-197-6930 is a Valve,regulating,fluid Pressure, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-197-6930 has 1 manufacturer part number on file: 5192220 ITEM 40 (Naval Sea Systems Command).
Key specifications for 5192220 ITEM 40: Flow Control Device: DISK; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 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.