The Valve,safety Relief, cataloged under National Stock Number 4820-00-287-2200, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-287-2200 |
| Primary Part Number | 15-405 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| Bonnet Type | INSIDE SPRING |
| Disk Loading Method | SPRING |
| Valve Discharge Flow Rate | 627.0 CUBIC FEET PER MINUTE |
| Flow Control Device | DISK |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Bonnet Attachment Method | INTEGRAL |
| Maximum Operating Temp | 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Media for Which Designed | AIR FIRST RESPONSE |
| Opening Pressure Setting | 125.0 POUNDS PER SQUARE INCH LBS |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | COPPER ALLOY OVERALL |
| Style Designator | STRAIGHT THRU |
| Nominal Thread Size | 1.000 INCHES FIRST END IN |
| Thread Series Designator | NPT FIRST END |
| Media for Which Designed | STEAM SECOND RESPONSE |
| Thread Direction | RIGHT-HAND FIRST END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 15-405 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
| M0DELKDP | Mcgraw-Edison Co Air Comfort Div (USA) |
| FIG82 PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| FIG82-1M125 PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| M0DEL1545 PRIMARY | Ashcroft Inc Dba Heise (USA) |
NSN 4820-00-287-2200 is a Valve,safety Relief, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-287-2200 has 5 cross-referenced part numbers: 15-405 (Dresser Industries Inc Leroi Div), M0DELKDP (Mcgraw-Edison Co Air Comfort Div), FIG82 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), FIG82-1M125 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), M0DEL1545 (Ashcroft Inc Dba Heise).
There are 6 known substitutes for 4820-00-287-2200: 3030-00-908-7334, 5961-00-968-5490, 3040-01-090-6136 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 15-405: Bonnet Type: INSIDE SPRING; Disk Loading Method: SPRING; Valve Discharge Flow Rate: 627.0 CUBIC FEET PER MINUTE; Flow Control Device: DISK. 18 total characteristics are documented in the Federal Logistics Information System.