The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-431-4174, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Grove Valve Operations. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-431-4174 |
| Primary Part Number | T-1626 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Grove Valve Operations |
| Status | ACTIVE |
| Flow Control Device | DISK, TOP GUIDED |
| Valve Stem Design | SINGLE SEAT |
| Renewable Seat Ring Type | PRESSED-IN |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | DIAPHRAGM |
| Body Style | STRAIGHT THRU |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | STREAMLINED WITH TWO BRAZING RINGS |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 5.0 TO 2995.0 CAMERA MOUNT |
| Valve Loading Method | DOME |
| First End Connection Type | UNTHREADED INTERNAL PIPE |
| First End Nominal Pipe Size Accommodated | 0.375 INCHES IN |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Media for Which Designed | AIR AND NITROGEN, GASEOUS |
| Maximum Inlet Pressure Rating | ERR-060 |
| Furnished Items | OUTLET PRESSURE GAGE |
| 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 |
|---|---|
| Z111V | Grove Valve Operations (USA) |
| T-1626 PRIMARY | Grove Valve Operations (USA) |
| Reference | Meaning |
|---|---|
| Z111E | 5/9 Secondary reference Grove Valve Operations |
| T162L | 5/9 Secondary reference Grove Valve Operations |
| T645 | 5/9 Secondary reference Grove Valve Operations |
NSN 4820-00-431-4174 is a Valve,regulating,fluid Pressure, manufactured by Grove Valve Operations, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-431-4174 has 2 manufacturer part numbers on file: Z111V (Grove Valve Operations), T-1626 (Grove Valve Operations).
Key specifications for T-1626: Flow Control Device: DISK, TOP GUIDED; Valve Stem Design: SINGLE SEAT; Renewable Seat Ring Type: PRESSED-IN; Second End Relationship with First End: IDENTICAL. 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.