The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-001-6203, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Foremost Industries Lp Div Industries Ltd. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-001-6203 |
| Primary Part Number | 636-0-8303 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Foremost Industries Lp Div Industries Ltd |
| Status | ACTIVE |
| Body Style | TEE |
| Media for Which Designed | STEAM |
| Filter | NOT INCLUDED |
| Thread Size and Series/type Designator | 0.250-18 NPT FIRST END |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| Second End Relationship with First End | IDENTICAL |
| Flow Control Device | DIAPHRAGM |
| Valve Loading Method | SPRING |
| Material | BRASS SEAT |
| Third End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| End Connection Quantity | 3 |
| Material | RUBBER SYNTHETIC FLOW CONTROL DEVICE |
| First End Style Designator | PLAIN |
| Temp Rating | 175.0 FAHRENHEIT NOMINAL DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 636-1-8303 | Foremost Industries Lp Div Industries Ltd (CAN) |
| 636-0-8303 PRIMARY | Foremost Industries Lp Div Industries Ltd (CAN) |
| 1301F PRIMARY | Foremost Industries Lp Div Industries Ltd (CAN) |
NSN 4820-00-001-6203 is a Valve,regulating,fluid Pressure, manufactured by Foremost Industries Lp Div Industries Ltd, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-001-6203 has 3 cross-referenced part numbers: 636-1-8303 (Foremost Industries Lp Div Industries Ltd), 636-0-8303 (Foremost Industries Lp Div Industries Ltd), 1301F (Foremost Industries Lp Div Industries Ltd).
There are 5 known substitutes for 4820-00-001-6203: 4820-00-131-6780, 3110-00-144-8993, 5120-00-596-0866 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 636-0-8303: Body Style: TEE; Media for Which Designed: STEAM; Filter: NOT INCLUDED; Thread Size and Series/type Designator: 0.250-18 NPT FIRST END. 14 total characteristics are documented in the Federal Logistics Information System.