The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-021-1804, 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 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-021-1804 |
| Primary Part Number | 10927CA2A |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Grove Valve Operations |
| Status | ACTIVE |
| Flow Control Device | CONE, TOP GUIDED AND CONE, BOTTOM 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 | MANUAL SINGLE STAGE |
| First End Thread Class | 3B |
| First End Style Designator | GASKET SEAL |
| Temp Rating | 165.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| Surface Treatment | PASSIVATE OUTSIDE |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE |
| Media for Which Designed | AIR AND HELIUM OR NITROGEN, GASEOUS |
| Thread Size and Series/type Designator | 7/16-20 UNF FIRST END |
| Filter | 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 |
|---|---|
| 10927CA2A PRIMARY | Grove Valve Operations (USA) |
NSN 4820-00-021-1804 is a Valve,regulating,fluid Pressure, manufactured by Grove Valve Operations, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-021-1804 has 1 manufacturer part number on file: 10927CA2A (Grove Valve Operations).
Key specifications for 10927CA2A: Flow Control Device: CONE, TOP GUIDED AND CONE, BOTTOM GUIDED; Valve Stem Design: SINGLE SEAT; Renewable Seat Ring Type: PRESSED-IN; Second End Relationship with First End: IDENTICAL. 18 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.