The Valve,safety Relief, cataloged under National Stock Number 4820-01-340-9950, 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 3 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 | 4820-01-340-9950 |
| Primary Part Number | 20332L51SS |
| 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 |
| Raised Face Nominal Height | 0.625 INCHES ALL ENDS IN |
| Bolt Circle Nominal Diameter | 4.750 INCHES ALL ENDS IN |
| Valve Size | 2.000 INCHES IN |
| Second Connection Face to Centerline Distance | 5.000 INCHES IN |
| First Connection Face to Centerline Distance | 4.750 INCHES IN |
| Bolt Hole Quantity | 4 ALL ENDS |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Valve Operation Method | AUTOMATIC |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL BODY |
| Flow Control Device | DISK |
| Bolt Hole Nominal Diameter | 0.625 INCHES ALL ENDS IN |
| Style Designator | ANGLE FLANGED ENDS |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Material | STEEL CORROSION RESISTING STEM |
| Nominal Thickness | 0.750 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Raised Face Nominal Diameter | 3.620 INCHES ALL ENDS IN |
| Nominal Outside Diameter | 6.000 INCHES ALL ENDS IN |
| Adjustable Pressure Range | +76.0 TO 90.0 POUNDS PER SQUARE INCH LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20332L51SS PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20332L51SS | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20332 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-340-9950 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 4820-01-340-9950 has 3 cross-referenced part numbers: 20332L51SS (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20332L51SS (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20332 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 9 known substitutes for 4820-01-340-9950: 5950-00-323-1066, 5325-00-433-3696, 5950-00-645-5645 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20332L51SS: Raised Face Nominal Height: 0.625 INCHES ALL ENDS IN; Bolt Circle Nominal Diameter: 4.750 INCHES ALL ENDS IN; Valve Size: 2.000 INCHES IN; Second Connection Face to Centerline Distance: 5.000 INCHES IN. 21 total characteristics are documented in the Federal Logistics Information System.