The Valve,safety Relief, cataloged under National Stock Number 4820-01-530-7072, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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 | 4820-01-530-7072 |
| Primary Part Number | 20045C91M |
| 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 |
| Furnished Items and Quantity | 2 GASKET |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Second Connection Face to Centerline Distance | 6.000 INCHES IN |
| Specification/standard Data | 81349 - MIL-V-20065 GOVERNMENT SPECIFICATION AND 81349 - MIL-F-20042 GOVERNMENT SPECIFICATION |
| First Connection Face to Centerline Distance | 5.000 INCHES IN |
| Nondefinitive Spec/std Data | A-2 TYPE AND C CLASS AND 150 CLASS |
| Style Designator | ANGLE FLANGED ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Valve Size | 3.000 INCHES IN |
| Features Provided | MANUAL OVERRIDE |
| Disk Loading Method | SPRING |
| Flow Control Device | DISK |
| Material | COPPER ALLOY 922 BODY |
| Renewable Seat Ring Type | PRESSED-IN |
| Flange Shape | ROUND ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Bonnet Attachment Method | BOLTED |
| Bonnet Type | INSIDE SPRING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20045 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| MIL-V-20065 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 20045 ASSY 20045C91M | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20045C91M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-530-7072 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 4820-01-530-7072 has 4 cross-referenced part numbers: 20045 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), MIL-V-20065 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 20045 ASSY 20045C91M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20045C91M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 12 known substitutes for 4820-01-530-7072: 5915-00-051-0723, 5133-00-228-1332, 5342-00-437-4769 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20045C91M: Part Name Assigned by Controlling Agency: 3" RELIEF VALVE, TYPE 1792; Furnished Items and Quantity: 2 GASKET; Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF; Material: NICKEL ALLOY FLOW CONTROL DEVICE. 23 total characteristics are documented in the Federal Logistics Information System.