The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-851-4576, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Modern Engineering Co Inc. 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-851-4576 |
| Primary Part Number | 8343 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Modern Engineering Co Inc |
| Status | ACTIVE |
| Media for Which Designed | NITROGEN, GASEOUS |
| Material | COPPER ALLOY STEM |
| Thread Size and Series/type Designator | 1/4-18 NPT FIRST END |
| Body Style | STRAIGHT THRU |
| Second End Relationship with First End | IDENTICAL |
| Valve Loading Method | SPRING |
| Outlet Pressure Range | 0.0 TO 1500.0 CAMERA MOUNT |
| Filter | NOT INCLUDED |
| Furnished Items | AUTOMATIC RELIEF VALVE AND INLET PRESSURE GAGE AND OUTLET PRESSURE GAGE |
| Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 300.0 FAHRENHEIT MAXIMUM DEGF |
| First End Thread Direction | RIGHT-HAND |
| Material | COPPER ALLOY BODY |
| Regulation Type | MANUAL SINGLE STAGE |
| End Connection Quantity | 2 |
| Maximum Inlet Pressure Rating | ERR-060 |
| First End Style Designator | PLAIN |
| Valve Stem Design | SINGLE SEAT |
| Flow Control Device | STEM AND INTEGRAL DISK |
| First End Connection Type | THREADED INTERNAL PIPE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8343 | Modern Engineering Co Inc (USA) |
| X87U1 | Lincoln Electric Co the Harris Calorific Div (USA) |
| 87-1500-590 | Lincoln Electric Co the Harris Calorific Div (USA) |
NSN 4820-00-851-4576 is a Valve,regulating,fluid Pressure, manufactured by Modern Engineering Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-851-4576 has 3 cross-referenced part numbers: 8343 (Modern Engineering Co Inc), X87U1 (Lincoln Electric Co the Harris Calorific Div), 87-1500-590 (Lincoln Electric Co the Harris Calorific Div).
There are 10 known substitutes for 4820-00-851-4576: 5910-00-101-4798, 3110-00-114-9611, 5310-00-140-8025 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8343: Media for Which Designed: NITROGEN, GASEOUS; Material: COPPER ALLOY STEM; Thread Size and Series/type Designator: 1/4-18 NPT FIRST END; Body Style: STRAIGHT THRU. 19 total characteristics are documented in the Federal Logistics Information System.