The Valve,safety Relief, cataloged under National Stock Number 4820-00-883-4550, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hartford Compressors Inc. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-883-4550 |
| Primary Part Number | 0609P55 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hartford Compressors Inc |
| Status | CANCELLED |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Thread Series Designator | NPT SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Features Provided | VALVE STEM LOCK SHIELD |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Material | STEEL AND RUBBER SYNTHETIC FLOW CONTROL DEVICE |
| Thread Direction | RIGHT-HAND SECOND END |
| Opening Pressure Setting | 300.0 POUNDS PER SQUARE INCH LBS |
| Material | COPPER ALLOY BODY |
| Seat Angle | 37.0 DEGREES FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Operating Pressure | 450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Disk Loading Method | SPRING |
| Connection Style | FLARED (TUBE) FIRST END |
| Nominal Pipe Size Accommodated | 0.500 INCHES SECOND END IN |
| Valve Operation Method | AUTOMATIC |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Flow Control Device | POPPET |
| Thread Series Designator | UNF FIRST END |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Material | COPPER ALLOY SEAT |
| Thread Quantity Per Inch | 14 SECOND END |
| Bonnet Attachment Method | INTEGRAL |
| Thread Class | 3A FIRST END A |
| Bonnet Type | INSIDE SPRING |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1187007 | Chrysler Corp Dayton Plant 1 (USA) |
| 1187007 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| 0609P55 PRIMARY | Hartford Compressors Inc (USA) |
| 157R1R17 PRIMARY | Process Supply Inc Dba Defense Products International (USA) |
| 5232 | Henry Technologies, Inc. (USA) |
NSN 4820-00-883-4550 is a Valve,safety Relief, manufactured by Hartford Compressors Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-883-4550 has 5 cross-referenced part numbers: 1187007 (Chrysler Corp Dayton Plant 1), 1187007 (Chrysler Realty Company Llc Dba Daimler Chrysler), 0609P55 (Hartford Compressors Inc), 157R1R17 (Process Supply Inc Dba Defense Products International), 5232 (Henry Technologies, Inc.).
There are 11 known substitutes for 4820-00-883-4550: 5305-00-071-2105, 4730-00-204-3491, 2520-00-359-0106 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 0609P55: Media for Which Designed: AIR SINGLE RESPONSE; Nominal Thread Size: 0.875 INCHES FIRST END IN; Thread Series Designator: NPT SECOND END; Thread Direction: RIGHT-HAND FIRST END. 27 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-883-4550 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.