The Valve,safety Relief, cataloged under National Stock Number 4820-00-995-0739, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-995-0739 |
| Primary Part Number | 1703-14 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Droitcour Co |
| Status | CANCELLED |
| Material | STEEL CORROSION RESISTING SEAT |
| Disk Loading Method | SPRING |
| Adjustable Pressure Range | +2300.0 TO 3850.0 POUNDS PER SQUARE INCH LBS |
| Connection Type | THREADED INTERNAL BOSS ALL ENDS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Flow Control Device | POPPET |
| Connection Style | GASKET SEAL(BOSS) ALL ENDS |
| Thread Series Designator | UNF ALL ENDS |
| Opening Pressure Setting | 2850.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| Style Designator | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| Material | STEEL CORROSION RESISTING BODY |
| Specification/standard Data | 96906-MS28893-D8 GOVERNMENT SPECIFICATION |
| Valve Discharge Flow Rate | 12.0 GALLONS PER MINUTE |
| Thread Class | 3B ALL ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1703-14 | Droitcour Co (USA) |
| MIL-V-8813 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS28893-D8 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4820-00-995-0739 is a Valve,safety Relief, manufactured by Droitcour Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-995-0739 has 3 cross-referenced part numbers: 1703-14 (Droitcour Co), MIL-V-8813 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS28893-D8 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 2 known substitutes for 4820-00-995-0739: 1620-00-601-9930, 4820-01-153-1403. Verify interchangeability with system specifications before substitution.
Key specifications for 1703-14: Material: STEEL CORROSION RESISTING SEAT; Disk Loading Method: SPRING; Adjustable Pressure Range: +2300.0 TO 3850.0 POUNDS PER SQUARE INCH LBS; Connection Type: THREADED INTERNAL BOSS ALL ENDS. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-995-0739 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.