The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-412-6513, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Avaho Acquisition Corp Dba Impac. Government technical data includes 17 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. 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 | 4820-00-412-6513 |
| Primary Part Number | 1531-61 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Avaho Acquisition Corp Dba Impac |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | PLAIN |
| Material Document and Classification | UNABLE TO DECODE |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 70.0 TO 260.0 CAMERA MOUNT |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | RUBBER SYNTHETIC FLOW CONTROL DEVICE |
| Material | COPPER ALLOY 922 BODY |
| Media for Which Designed | WATER, SALT |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 1-11 1/2 NPT 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 |
|---|---|
| DA868P100SEM | Metrex Valve Corp. Dba Metrex Valve Corp (USA) |
| 1531-61 PRIMARY | Avaho Acquisition Corp Dba Impac (USA) |
NSN 4820-00-412-6513 is a Valve,regulating,fluid Pressure, manufactured by Avaho Acquisition Corp Dba Impac, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-412-6513 has 2 manufacturer part numbers on file: DA868P100SEM (Metrex Valve Corp. Dba Metrex Valve Corp), 1531-61 (Avaho Acquisition Corp Dba Impac).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-334-3360. Verify interchangeability with system specifications before substitution.
Key specifications for 1531-61: Flow Control Device: DIAPHRAGM; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 17 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.