The Valve,safety Relief, cataloged under National Stock Number 4820-00-865-2170, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Randall Co Inc. Government technical data includes 21 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-865-2170 |
| Primary Part Number | 5108 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Randall Co Inc |
| Status | ACTIVE |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Thread Series Designator | UNF FIRST END |
| Seat Angle | 37.0 DEGREES FIRST END |
| Material | STEEL CORROSION RESISTING SEAT |
| Valve Operation Method | AUTOMATIC |
| Flow Control Device | POPPET |
| Disk Loading Method | SPRING |
| Thread Class | 3A FIRST END A |
| Style Designator | STRAIGHT THRU |
| Maximum Operating Temp | 400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Thread Direction | RIGHT-HAND FIRST END |
| Material | ALUMINUM ALLOY BODY |
| Thread Quantity Per Inch | 20 FIRST END |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Connection Style | FLARED (TUBE) FIRST END |
| Features Provided | VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE |
| Valve Discharge Flow Rate | 0.5 CUBIC FEET PER MINUTE |
| Operating Pressure | 32.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Opening Pressure Setting | 25.0 POUNDS PER SQUARE INCH LBS |
| Nominal Thread Size | 0.437 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5108 | Randall Co Inc (USA) |
NSN 4820-00-865-2170 is a Valve,safety Relief, manufactured by Randall Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-865-2170 has 1 cross-referenced part number: 5108 (Randall Co Inc).
There are 12 known substitutes for 4820-00-865-2170: 5315-00-010-3386, 3110-00-112-5767, 6145-00-164-0155 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5108: Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN; Thread Series Designator: UNF FIRST END; Seat Angle: 37.0 DEGREES FIRST END; Material: STEEL CORROSION RESISTING SEAT. 21 total characteristics are documented in the Federal Logistics Information System.