The Valve,check, cataloged under National Stock Number 4820-00-289-0667, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is The Walworth Company. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-289-0667 |
| Primary Part Number | 4DP2775SZ3-8IN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | The Walworth Company |
| Status | CANCELLED |
| Disk Loading Method | SPRING |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | OFFSET |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Nominal Pipe Size Accommodated | 0.375 INCHES FIRST END IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Style | SOCKET (PIPE) FIRST END |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| N10487 | The Walworth Company (USA) |
| E28658 | Walworth Co the (USA) |
| 4DP2775SZ3-8IN PRIMARY | The Walworth Company (USA) |
| S4824-3119982REVB3-8IN | Naval Ship Systems Command (USA) |
| B10487 | The Walworth Company (USA) |
| E28658 | The Walworth Company (USA) |
| N330-3-8IN | The Walworth Company (USA) |
| N10552B3-8IN PRIMARY | The Walworth Company (USA) |
NSN 4820-00-289-0667 is a Valve,check, manufactured by The Walworth Company, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-289-0667 has 8 cross-referenced part numbers: N10487 (The Walworth Company), E28658 (Walworth Co the), 4DP2775SZ3-8IN (The Walworth Company), S4824-3119982REVB3-8IN (Naval Ship Systems Command), B10487 (The Walworth Company) and 3 more.
There is 1 known substitute for 4820-00-289-0667: 4820-00-273-7172. Verify interchangeability with system specifications before substitution.
Key specifications for 4DP2775SZ3-8IN: Disk Loading Method: SPRING; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Style Designator: OFFSET; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-289-0667 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.