The Valve,safety Relief, cataloged under National Stock Number 4820-01-378-7557, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 15 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-378-7557 |
| Primary Part Number | 20187DM41M CDS-16323 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Disk Loading Method | SPRING |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Bonnet Attachment Method | BOLTED |
| Material | NICKEL ALLOY STEM |
| Connection Style | SOCKET WITH BRAZING RING (TUBE) ALL ENDS |
| Style Designator | ANGLE |
| Operating Pressure | 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES ALL ENDS IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Valve Operation Method | AUTOMATIC |
| Flow Control Device | DISK |
| Adjustable Pressure Range | +20.0 TO 24.0 POUNDS PER SQUARE INCH LBS |
| Material | COPPER ALLOY BODY |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20187 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| BAMAA03MDD | Danco Valve Company (USA) |
| BAMAA03MDD | Dante Valve Company (USA) |
| 20187DM41M CDS-16323 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20187DM41M CDS-16323 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-378-7557 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-378-7557 has 5 cross-referenced part numbers: 20187 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), BAMAA03MDD (Danco Valve Company), BAMAA03MDD (Dante Valve Company), 20187DM41M CDS-16323 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20187DM41M CDS-16323 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 9 known substitutes for 4820-01-378-7557: 4130-00-103-8991, 5985-00-240-7419, 5120-00-916-3307 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20187DM41M CDS-16323: Disk Loading Method: SPRING; Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF; End Item Identification: NIMITZ CLASS CVN; Bonnet Attachment Method: BOLTED. 16 total characteristics are documented in the Federal Logistics Information System.