The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-866-4433, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Matheson Co Div of G D Searle Medical Products. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-866-4433 |
| Primary Part Number | 1L590 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Matheson Co Div of G D Searle Medical Products |
| Status | ACTIVE |
| Furnished Items | INLET PRESSURE GAGE AND OUTLET PRESSURE GAGE |
| Maximum Inlet Pressure Rating | ERR-060 |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | COPPER ALLOY STEM |
| Thread Size and Series/type Designator | 1/4-18 NPT SECOND END |
| Thread Size and Series/type Designator | 0.960-14 NGO FIRST END |
| Valve Loading Method | SPRING |
| Body Style | ANGLE |
| Second End Relationship with First End | NOT IDENTICAL |
| Material | COPPER ALLOY BODY |
| Second End Style Designator | GASKET SEAL |
| Second End Connection Type | THREADED EXTERNAL PIPE |
| End Connection Quantity | 2 |
| First End Style Designator | SWIVEL NUT, COMPRESSION |
| Second End Thread Direction | RIGHT-HAND |
| Media for Which Designed | AIR |
| Outlet Pressure Range | 0.0 TO 50.0 CAMERA MOUNT |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-866-4433 is a Valve,regulating,fluid Pressure, manufactured by Matheson Co Div of G D Searle Medical Products, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-866-4433 has 3 cross-referenced part numbers: 1-590 (Matheson Co Div of G D Searle Medical Products), 1L590 (Matheson Co Div of G D Searle Medical Products), 514345 (Joy Global Underground Mining Llc).
There are 2 known substitutes for 4820-00-866-4433: 5340-00-935-4206, 5985-01-433-4735. Verify interchangeability with system specifications before substitution.
Key specifications for 1L590: Furnished Items: INLET PRESSURE GAGE AND OUTLET PRESSURE GAGE; Maximum Inlet Pressure Rating: ERR-060; First End Connection Type: THREADED INTERNAL PIPE; Material: COPPER ALLOY STEM. 19 total characteristics are documented in the Federal Logistics Information System.