The Valve,safety Relief, cataloged under National Stock Number 4820-01-130-2157, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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 | 4820-01-130-2157 |
| Primary Part Number | 9877-0541M |
| 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 |
| Valve Size | 3.000 INCHES IN |
| Material | COPPER ALLOY BODY |
| Maximum Operating Temp | 425.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Face Design | RECESSED STRAIGHT FIRST END |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Valve Operation Method | AUTOMATIC |
| Recess Nominal Diameter | 3.000 INCHES FIRST END IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Second Connection Face to Centerline Distance | 5.500 INCHES IN |
| Nominal Thickness | 0.500 INCHES SECOND END IN |
| Bolt Hole Quantity | 8 ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| First Connection Face to Centerline Distance | 6.000 INCHES IN |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Material | NICKEL ALLOY SEAT |
| Bolt Hole Nominal Diameter | 0.562 INCHES ALL ENDS IN |
| Flow Control Device | DISK |
| Bonnet Attachment Method | BOLTED |
| Bonnet Type | INSIDE SPRING |
| Nominal Outside Diameter | 6.625 INCHES ALL ENDS IN |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Adjustable Pressure Range | +5.0 TO 150.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Nominal Diameter | 5.500 INCHES ALL ENDS IN |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | STEEL COMP 316 STEM |
| Style Designator | ANGLE FLANGED ENDS |
| Flange Face Design | PLAIN SECOND END |
| Nominal Thickness | 1.000 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 9877-0541M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 9877 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 9877-0541M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 9877 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-130-2157 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 4820-01-130-2157 has 4 cross-referenced part numbers: 9877-0541M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9877 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9877-0541M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 9877 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 9 known substitutes for 4820-01-130-2157: 5330-00-527-7332, 3120-00-618-2552, 5310-00-992-3963 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 9877-0541M: Valve Size: 3.000 INCHES IN; Material: COPPER ALLOY BODY; Maximum Operating Temp: 425.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flange Face Design: RECESSED STRAIGHT FIRST END. 28 total characteristics are documented in the Federal Logistics Information System.