The Valve,safety Relief, cataloged under National Stock Number 4820-01-131-5912, 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 18 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-131-5912 |
| Primary Part Number | 20115J51M |
| 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 |
| First Connection Face to Centerline Distance | 3.250 INCHES IN |
| Style Designator | ANGLE FLANGED ENDS |
| Bolt Circle Nominal Diameter | 3.125 INCHES ALL ENDS IN |
| Bolt Hole Nominal Diameter | 0.562 INCHES ALL ENDS IN |
| Adjustable Pressure Range | +56.0 TO 65.0 POUNDS PER SQUARE INCH LBS |
| Connection Type | FLANGE ALL ENDS |
| Bolt Hole Quantity | 4 ALL ENDS |
| Nominal Thickness | 0.438 INCHES ALL ENDS IN |
| Material | COPPER ALLOY OVERALL |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Nominal Outside Diameter | 4.250 INCHES ALL ENDS IN |
| Second Connection Face to Centerline Distance | 3.250 INCHES IN |
| Flange Face Design | PLAIN ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Valve Size | 1.000 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Bonnet Type | INSIDE SCREW |
| Flow Control Device | DISK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 9123-100J51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 9123 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20115J51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20115J51M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-131-5912 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 4820-01-131-5912 has 4 cross-referenced part numbers: 9123-100J51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9123 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20115J51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20115J51M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 12 known substitutes for 4820-01-131-5912: 5920-00-043-2641, 4730-00-061-5361, 5935-00-196-9699 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20115J51M: First Connection Face to Centerline Distance: 3.250 INCHES IN; Style Designator: ANGLE FLANGED ENDS; Bolt Circle Nominal Diameter: 3.125 INCHES ALL ENDS IN; Bolt Hole Nominal Diameter: 0.562 INCHES ALL ENDS IN. 18 total characteristics are documented in the Federal Logistics Information System.