The Valve,safety Relief, cataloged under National Stock Number 4820-00-350-4011, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is F.c.kingston Co. Dba Storm Manufacturing. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-350-4011 |
| Primary Part Number | 128 1-4 75 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | F.c.kingston Co. Dba Storm Manufacturing |
| Status | CANCELLED |
| Thread Direction | RIGHT-HAND FIRST END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Nominal Pipe Size Accommodated | 0.250 INCHES FIRST END IN |
| Disk Loading Method | SPRING |
| Thread Series Designator | NPT FIRST END |
| Material | COPPER ALLOY BODY |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Valve Operation Method | AUTOMATIC |
| Opening Pressure Setting | 75.0 POUNDS PER SQUARE INCH LBS |
| Connection Style | PLAIN (PIPE) FIRST END |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| Flow Control Device | POPPET |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | AIR FIRST RESPONSE |
| Style Designator | ANGLE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| P03592A | Gardner Denver Inc. (USA) |
| 6153-50 | Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect (USA) |
| LLLRPC251 | Naval Inventory Control Point Mechanicsburg (USA) |
| 128 1-4 75 PRIMARY | F.c.kingston Co. Dba Storm Manufacturing (USA) |
| A237 | Gardner Denver Inc. (USA) |
| M3685 | Gardner Denver Inc. (USA) |
| 128 | F.c.kingston Co. Dba Storm Manufacturing (USA) |
| 6153-50 | Air Dry Co of America, Llc (USA) |
NSN 4820-00-350-4011 is a Valve,safety Relief, manufactured by F.c.kingston Co. Dba Storm Manufacturing, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-350-4011 has 8 cross-referenced part numbers: P03592A (Gardner Denver Inc.), 6153-50 (Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect), LLLRPC251 (Naval Inventory Control Point Mechanicsburg), 128 1-4 75 (F.c.kingston Co. Dba Storm Manufacturing), A237 (Gardner Denver Inc.) and 3 more.
There are 5 known substitutes for 4820-00-350-4011: 4320-00-267-4413, 5930-00-583-6643, 5950-00-701-4182 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 128 1-4 75: Thread Direction: RIGHT-HAND FIRST END; Connection Type: THREADED EXTERNAL PIPE FIRST END; Nominal Pipe Size Accommodated: 0.250 INCHES FIRST END IN; Disk Loading Method: SPRING. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-350-4011 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.