The Valve,check, cataloged under National Stock Number 4820-00-913-0439, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-913-0439 |
| Primary Part Number | 36018 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Eaton Corporation Dba Eaton Inoac Div Eaton |
| Status | ACTIVE |
| Valve Operation Method | AUTOMATIC |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Thread Series Designator | UN ALL ENDS |
| Surface Treatment | PASSIVATE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Connection Type | THREADED EXTERNAL BOSS ALL ENDS |
| Disk Loading Method | SPRING |
| Thread Class | 3A ALL ENDS A |
| Flow Control Device | POPPET |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL CORROSION RESISTING OVERALL |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Style Designator | STRAIGHT THRU |
| Nominal Thread Size | 1.188 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-913-0439 is a Valve,check, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-913-0439 has 2 cross-referenced part numbers: 36018 (Eaton Corporation Dba Eaton Inoac Div Eaton), C36018 (Eaton Corporation Dba Eaton Inoac Div Eaton).
There are 6 known substitutes for 4820-00-913-0439: 5930-00-272-1278, 5999-00-642-5478, 4820-00-862-4713 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 36018: Valve Operation Method: AUTOMATIC; Thread Quantity Per Inch: 12 ALL ENDS; Thread Series Designator: UN ALL ENDS; Surface Treatment: PASSIVATE. 17 total characteristics are documented in the Federal Logistics Information System.