The Valve,safety Relief, cataloged under National Stock Number 4820-01-131-7650, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-131-7650 |
| Primary Part Number | E8551C41M |
| 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 |
| Material Document and Classification | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Valve Size | 0.500 INCHES IN |
| Material | COPPER ALLOY STEM |
| Nominal Thickness | 0.375 INCHES ALL ENDS IN |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Flange Face Design | PLAIN ALL ENDS |
| First Connection Face to Centerline Distance | 3.000 INCHES IN |
| Second Connection Face to Centerline Distance | 3.000 INCHES IN |
| Style Designator | ANGLE FLANGED ENDS |
| Bonnet Attachment Method | BOLTED |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material | NICKEL ALLOY SEAT |
| Valve Operation Method | AUTOMATIC |
| Flange Shape | ROUND ALL ENDS |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | COPPER ALLOY BODY |
| Maximum Operating Temp | 425.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flow Control Device | DISK |
| Connection Type | FLANGE ALL ENDS |
| Adjustable Pressure Range | +15.0 TO 19.0 POUNDS PER SQUARE INCH LBS |
| Media for Which Designed | AIR FIRST RESPONSE |
| Nominal Outside Diameter | 3.562 INCHES ALL ENDS IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | INSIDE SPRING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-131-7650 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 4820-01-131-7650 has 3 cross-referenced part numbers: 8551 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), E8551C41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), E8551C41M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 12 known substitutes for 4820-01-131-7650: 2510-00-042-4825, 2930-00-180-6445, 3130-00-370-3804 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for E8551C41M: Material Document and Classification: QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY; Valve Size: 0.500 INCHES IN; Material: COPPER ALLOY STEM; Nominal Thickness: 0.375 INCHES ALL ENDS IN. 25 total characteristics are documented in the Federal Logistics Information System.