The Valve,check, cataloged under National Stock Number 4820-01-083-0195, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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 | 4820-01-083-0195 |
| Primary Part Number | 583R624H01 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Surface Treatment | ANODIZE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE |
| Thread Direction | RIGHT-HAND FIRST END |
| Thread Class | 3A FIRST END A |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | RUBBER FLUOROSILICONE CLASS FQ PACKING |
| Maximum Operating Temp | 95.0 CELSIUS SINGLE RESPONSE DEGC |
| Material | ALUMINUM ALLOY 2024 BODY |
| Operating Pressure | 7.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | STRAIGHT THRU |
| Valve Operation Method | AUTOMATIC |
| Flow Control Device | POPPET |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2956-0001-1 | Mission Systems Orchard Park Inc (USA) |
| 9420 | Pneudraulics, Inc. (USA) |
| 583R624H01 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 4820-01-083-0195 is a Valve,check, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-083-0195 has 3 cross-referenced part numbers: 2956-0001-1 (Mission Systems Orchard Park Inc), 9420 (Pneudraulics, Inc.), 583R624H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
There are 10 known substitutes for 4820-01-083-0195: 6810-00-241-1159, 6145-00-889-1145, 3030-00-934-8090 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 583R624H01: Surface Treatment: ANODIZE; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE; Thread Direction: RIGHT-HAND FIRST END; Thread Class: 3A FIRST END A. 15 total characteristics are documented in the Federal Logistics Information System.