The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-045-3811, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is General Regulator Corp. Dba Accudriv. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-045-3811 |
| Primary Part Number | 50991-01 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | General Regulator Corp. Dba Accudriv |
| Status | CANCELLED |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| Material | STEEL CORROSION RESISTING SEAT |
| Surface Treatment | PAINT OUTSIDE |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Thread Size and Series/type Designator | 0.125-27 NPT FIRST END |
| First End Style Designator | PLAIN |
| First End Connection Type | THREADED INTERNAL PIPE |
| Valve Loading Method | DOME |
| Second End Relationship with First End | IDENTICAL |
| Mounting Facility | BRACKET |
| End Connection Quantity | 3 |
| Flow Control Device | DISK, TOP GUIDED |
| Third End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| Filter | NOT INCLUDED |
| First End Thread Direction | RIGHT-HAND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 50991-01 | General Regulator Corp. Dba Accudriv (USA) |
| 10070PC31THRU55 | General Regulator Corp. Dba Accudriv (USA) |
| 50991 | General Regulator Corp. Dba Accudriv (USA) |
| 10070PC31-55 | General Regulator Corp. Dba Accudriv (USA) |
| 10070PC31T055 | General Regulator Corp. Dba Accudriv (USA) |
| 10070 | General Regulator Corp. Dba Accudriv (USA) |
NSN 4820-01-045-3811 is a Valve,regulating,fluid Pressure, manufactured by General Regulator Corp. Dba Accudriv, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-045-3811 has 6 cross-referenced part numbers: 50991-01 (General Regulator Corp. Dba Accudriv), 10070PC31THRU55 (General Regulator Corp. Dba Accudriv), 50991 (General Regulator Corp. Dba Accudriv), 10070PC31-55 (General Regulator Corp. Dba Accudriv), 10070PC31T055 (General Regulator Corp. Dba Accudriv) and 1 more.
There are 12 known substitutes for 4820-01-045-3811: 4320-00-035-7477, 5330-00-088-6372, 3110-00-156-7906 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 50991-01: Regulation Type: AUTOMATIC SINGLE STAGE; Special Features: ALL END CONNECTIONS LOCATED IN BOTTOM OF VALVE; Material: STEEL CORROSION RESISTING SEAT; Surface Treatment: PAINT OUTSIDE. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-045-3811 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.