The Valve,safety Relief, cataloged under National Stock Number 4820-00-937-8701, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-937-8701 |
| Primary Part Number | 1701-9 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Droitcour Co |
| Status | ACTIVE |
| Valve Operation Method | HYDRAULIC |
| Adjustable Pressure Range | +650.0 TO 750.0 POUNDS PER SQUARE INCH LBS |
| Disk Loading Method | SPRING |
| Thread Class | 3B FIRST END |
| Valve Discharge Flow Rate | 2.0 GALLONS PER MINUTE |
| Thread Quantity Per Inch | 20 FIRST END |
| Style Designator | STRAIGHT THRU |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Operating Pressure | 800.0 POUNDS PER SQUARE INCH (PSI) NOMINAL POWER DRIVE LBS |
| Renewable Seat Ring Type | PRESSED-IN |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Flow Control Device | PISTON |
| Connection Style | GASKET SEAL(BOSS) FIRST END |
| Thread Direction | RIGHT-HAND FIRST END |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Nominal Thread Size | 0.437 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1701-9 PRIMARY | Droitcour Co (USA) |
| 11300 | Benbow Mfg Corp (USA) |
| 204-076-343-003 | Bell Textron Inc (USA) |
| 204-076-343-3 | Bell Textron Inc (USA) |
NSN 4820-00-937-8701 is a Valve,safety Relief, manufactured by Droitcour Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-937-8701 has 4 cross-referenced part numbers: 1701-9 (Droitcour Co), 11300 (Benbow Mfg Corp), 204-076-343-003 (Bell Textron Inc), 204-076-343-3 (Bell Textron Inc).
There are 12 known substitutes for 4820-00-937-8701: 5325-00-071-8949, 3110-00-155-6661, 3110-00-227-3871 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1701-9: Valve Operation Method: HYDRAULIC; Adjustable Pressure Range: +650.0 TO 750.0 POUNDS PER SQUARE INCH LBS; Disk Loading Method: SPRING; Thread Class: 3B FIRST END. 16 total characteristics are documented in the Federal Logistics Information System.