The Valve,safety Relief, cataloged under National Stock Number 4820-01-216-4531, 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 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-216-4531 |
| Primary Part Number | 20244K91SS |
| 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 |
| Nominal Thickness | 0.938 INCHES ALL ENDS IN |
| Second Connection Face to Centerline Distance | 6.375 INCHES IN |
| Nominal Outside Diameter | 7.500 INCHES ALL ENDS IN |
| Bolt Hole Nominal Diameter | 0.750 INCHES ALL ENDS IN |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| First Connection Face to Centerline Distance | 6.000 INCHES IN |
| Adjustable Pressure Range | +77.0 TO 88.0 POUNDS PER SQUARE INCH LBS |
| Disk Loading Method | SPRING |
| Bolt Hole Quantity | 4 ALL ENDS |
| Maximum Operating Temp | 500.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Valve Size | 3.000 INCHES IN |
| Connection Type | FLANGE ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bolt Circle Nominal Diameter | 6.000 INCHES ALL ENDS IN |
| Style Designator | ANGLE FLANGED ENDS |
| Material | STEEL OVERALL |
| Raised Face Nominal Diameter | 5.000 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20244K91SS PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20244 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20244K91SS | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| CASNN06SKK | Danco Valve Company (USA) |
| CASNN06SKK | Dante Valve Company (USA) |
NSN 4820-01-216-4531 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 4820-01-216-4531 has 5 cross-referenced part numbers: 20244K91SS (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20244 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20244K91SS (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), CASNN06SKK (Danco Valve Company), CASNN06SKK (Dante Valve Company).
There are 10 known substitutes for 4820-01-216-4531: 5962-01-097-2442, 4820-01-123-3970, 4820-01-128-1611 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20244K91SS: Nominal Thickness: 0.938 INCHES ALL ENDS IN; Second Connection Face to Centerline Distance: 6.375 INCHES IN; Nominal Outside Diameter: 7.500 INCHES ALL ENDS IN; Bolt Hole Nominal Diameter: 0.750 INCHES ALL ENDS IN. 22 total characteristics are documented in the Federal Logistics Information System.