The Valve,safety Relief, cataloged under National Stock Number 4820-00-019-5565, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Droitcour Co. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-019-5565 |
| Primary Part Number | 1701-5 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Droitcour Co |
| Status | ACTIVE |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Valve Operation Method | AUTOMATIC |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Material | STEEL COMP 416 BODY |
| Operating Pressure | 3850.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Thread Series Designator | UNF ALL ENDS |
| Thread Class | 3B ALL ENDS |
| Maximum Operating Temp | 600.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Maximum Operating Temp | -765.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Connection Style | GASKET SEAL(BOSS) ALL ENDS |
| Flow Control Device | O-RING, DILATING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1701-5 | Droitcour Co (USA) |
NSN 4820-00-019-5565 is a Valve,safety Relief, manufactured by Droitcour Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-019-5565 has 1 cross-referenced part number: 1701-5 (Droitcour Co).
There are 11 known substitutes for 4820-00-019-5565: 4510-00-243-0734, 3040-00-247-0497, 5310-00-769-6520 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1701-5: Operating Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS; Valve Operation Method: AUTOMATIC; Nominal Thread Size: 0.438 INCHES ALL ENDS IN; Material: STEEL COMP 416 BODY. 12 total characteristics are documented in the Federal Logistics Information System.