The Valve,safety Relief, cataloged under National Stock Number 4820-01-130-8474, 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 28 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-130-8474 |
| Primary Part Number | 20244J91SS |
| 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 |
| Flange Shape | ROUND ALL ENDS |
| Disk Loading Method | SPRING |
| Raised Face Nominal Height | 0.062 INCHES FIRST END IN |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Raised Face Nominal Diameter | 5.000 INCHES ALL ENDS IN |
| Nominal Outside Diameter | 7.500 INCHES ALL ENDS IN |
| Material Document and Classification | ASTM A296,GRADE CF8 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material | STEEL BODY |
| Valve Operation Method | AUTOMATIC |
| Adjustable Pressure Range | +66.0 TO 76.0 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | ASTM A296,GRADE CF8 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Connection Type | FLANGE ALL ENDS |
| Material Document and Classification | ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Valve Size | 3.000 INCHES IN |
| Material | STEEL FLOW CONTROL DEVICE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL COMP 303 STEM |
| Material Document and Classification | ASTM A276,TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Bonnet Type | INSIDE SPRING |
| Bonnet Attachment Method | BOLTED |
| Maximum Operating Temp | 500.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | STEEL SEAT |
| Nominal Thickness | 0.688 INCHES ALL ENDS IN |
| First Connection Face to Centerline Distance | 6.375 INCHES IN |
| Second Connection Face to Centerline Distance | 6.000 INCHES IN |
| Flow Control Device | DISK |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Style Designator | ANGLE FLANGED ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20244J91SS | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20244 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20244J91SS PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-130-8474 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 4820-01-130-8474 has 3 cross-referenced part numbers: 20244J91SS (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20244 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20244J91SS (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 10 known substitutes for 4820-01-130-8474: 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 20244J91SS: Flange Shape: ROUND ALL ENDS; Disk Loading Method: SPRING; Raised Face Nominal Height: 0.062 INCHES FIRST END IN; Flange Face Design: RAISED STRAIGHT ALL ENDS. 29 total characteristics are documented in the Federal Logistics Information System.