The Valve,check, cataloged under National Stock Number 4820-00-804-8427, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ausco Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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 | 4820-00-804-8427 |
| Primary Part Number | H918 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Ausco Inc |
| Status | ACTIVE |
| Material | COPPER ALLOY BODY |
| Maximum Operating Temp | 160.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Maximum Operating Temp | -35.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Media for Which Designed | HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE |
| Operating Pressure | 1800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 381MR149P001 | Raytheon Company (USA) |
| 381MR149P001 | Raytheon Company Dba Raytheon Co (USA) |
| H918 PRIMARY | Ausco Inc (USA) |
| 381MR149P001 | Raytheon Company Div Corp (USA) |
| 381MR149P001 | Raytheon Co Missile Systems Div Lowell Plant (USA) |
NSN 4820-00-804-8427 is a Valve,check, manufactured by Ausco Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-804-8427 has 5 cross-referenced part numbers: 381MR149P001 (Raytheon Company), 381MR149P001 (Raytheon Company Dba Raytheon Co), H918 (Ausco Inc), 381MR149P001 (Raytheon Company Div Corp), 381MR149P001 (Raytheon Co Missile Systems Div Lowell Plant).
There are 2 known substitutes for 4820-00-804-8427: 5915-00-055-7845, 4720-01-235-3554. Verify interchangeability with system specifications before substitution.
Key specifications for H918: Material: COPPER ALLOY BODY; Maximum Operating Temp: 160.0 FAHRENHEIT SECOND RESPONSE DEGF; Maximum Operating Temp: -35.0 FAHRENHEIT FIRST RESPONSE DEGF; Media for Which Designed: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE. 6 total characteristics are documented in the Federal Logistics Information System.