The Valve,safety Relief, cataloged under National Stock Number 4820-01-330-9428, 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 16 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-330-9428 |
| Primary Part Number | 20198DM41M |
| 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 |
| Bolt Hole Nominal Diameter | 0.562 INCHES ALL ENDS IN |
| Bolt Circle Nominal Diameter | 3.125 INCHES ALL ENDS IN |
| Flow Control Device | DISK |
| Style Designator | ANGLE FLANGED ENDS |
| Bolt Hole Quantity | 4 ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Nominal Outside Diameter | 4.250 INCHES ALL ENDS IN |
| Nominal Thickness | 0.438 INCHES ALL ENDS IN |
| Adjustable Pressure Range | +20.0 TO 24.0 POUNDS PER SQUARE INCH LBS |
| Material | COPPER ALLOY BODY |
| Second Connection Face to Centerline Distance | 3.314 INCHES IN |
| First Connection Face to Centerline Distance | 3.314 INCHES IN |
| Valve Size | 1.000 INCHES IN |
| Flange Face Design | PLAIN ALL ENDS |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20198DM41M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20198 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20198 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20198DM41M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-330-9428 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 4820-01-330-9428 has 4 cross-referenced part numbers: 20198DM41M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20198 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20198 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20198DM41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 8 known substitutes for 4820-01-330-9428: 5120-00-061-4782, 4310-00-168-8715, 5305-00-987-0066 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20198DM41M: Bolt Hole Nominal Diameter: 0.562 INCHES ALL ENDS IN; Bolt Circle Nominal Diameter: 3.125 INCHES ALL ENDS IN; Flow Control Device: DISK; Style Designator: ANGLE FLANGED ENDS. 16 total characteristics are documented in the Federal Logistics Information System.