The Valve,safety Relief, cataloged under National Stock Number 4820-00-813-0604, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mueller Brass Co.. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-813-0604 |
| Primary Part Number | A15504 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Mueller Brass Co. |
| Status | CANCELLED |
| Thread Direction | RIGHT-HAND FIRST END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Material | RUBBER SEAT |
| Thread Series Designator | UNF FIRST END |
| Operating Pressure | 450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Opening Pressure Setting | 300.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | NPT SECOND END |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Seat Angle | 45.0 DEGREES FIRST END |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Disk Loading Method | SPRING |
| Valve Discharge Flow Rate | 25.4 CUBIC FEET PER MINUTE |
| Material | COPPER ALLOY BODY |
| Valve Operation Method | AUTOMATIC |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Flow Control Device | POPPET |
| Thread Class | 3A FIRST END A |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5454 1-2IN | Henry Technologies, Inc. (USA) |
| 2077-71 | Avaho Acquisition Corp Dba Impac (USA) |
| 5432-200LB | Henry Technologies, Inc. (USA) |
| 5454-200LB | Henry Technologies, Inc. (USA) |
| A15504 PRIMARY | Mueller Brass Co. (USA) |
NSN 4820-00-813-0604 is a Valve,safety Relief, manufactured by Mueller Brass Co., classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-813-0604 has 5 cross-referenced part numbers: 5454 1-2IN (Henry Technologies, Inc.), 2077-71 (Avaho Acquisition Corp Dba Impac), 5432-200LB (Henry Technologies, Inc.), 5454-200LB (Henry Technologies, Inc.), A15504 (Mueller Brass Co.).
There are 3 known substitutes for 4820-00-813-0604: 5985-00-114-0010, 5998-01-170-5737, 5310-01-269-8638. Verify interchangeability with system specifications before substitution.
Key specifications for A15504: Thread Direction: RIGHT-HAND FIRST END; Connection Type: THREADED EXTERNAL TUBE FIRST END; Nominal Thread Size: 0.500 INCHES SECOND END IN; Thread Direction: RIGHT-HAND SECOND END. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-813-0604 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.