The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-993-3412, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Messer Llc. Government technical data includes 29 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 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 | 4820-00-993-3412 |
| Primary Part Number | 806-1136 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Messer Llc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Valve Stem Design | SINGLE SEAT |
| Renewable Seat Ring Type | THREADED |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | ANGLE |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Seat Angle in Deg | 37.0 |
| First End Thread Class | 3A A |
| First End Style Designator | FLARED |
| Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 0.0 TO 1000.0 CAMERA MOUNT |
| Second End Thread Direction | LEFT-HAND |
| Manual Control Method | KNOB |
| Valve Loading Method | SPRING |
| Second End Style Designator | FLARED |
| First End Connection Type | THREADED EXTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.188 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | COPPER ALLOY STEM |
| Outlet Pressure Accuracy Rating | ERR-060 |
| Media for Which Designed | NITROGEN, OIL PUMPED |
| Maximum Inlet Pressure Rating | ERR-060 |
| Second End Connection Type | THREADED EXTERNAL GAS CYLINDER |
| Furnished Items | INLET PRESSURE GAGE AND OUTLET PRESSURE GAGE |
| Thread Size and Series/type Designator | 0.960-14 NGO SECOND END |
| Thread Size and Series/type Designator | 3/8-24 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 |
|---|---|
| 806-1136 PRIMARY | Messer Llc (USA) |
NSN 4820-00-993-3412 is a Valve,regulating,fluid Pressure, manufactured by Messer Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-993-3412 has 1 manufacturer part number on file: 806-1136 (Messer Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-330-9278. Verify interchangeability with system specifications before substitution.
Key specifications for 806-1136: Flow Control Device: DISK; Valve Stem Design: SINGLE SEAT; Renewable Seat Ring Type: THREADED; First End Thread Direction: RIGHT-HAND. 29 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.