The Valve,safety Relief, cataloged under National Stock Number 4820-01-088-7460, 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 30 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-088-7460 |
| Primary Part Number | 2003901S0111 |
| 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 Circle Nominal Diameter | 2.375 INCHES ALL ENDS IN |
| Material Document and Classification | QQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Bolt Hole Quantity | 4 ALL ENDS |
| Flow Control Device | DISK |
| Valve Operation Method | AUTOMATIC |
| Valve Size | 0.500 INCHES IN |
| Material Document and Classification | ASTM A351,GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Connection Type | FLANGE ALL ENDS |
| Material | STEEL COMP 303 STEM |
| Material Document and Classification | ASTM A351,GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | QQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Nominal Thickness | 0.438 INCHES ALL ENDS IN |
| Disk Loading Method | SPRING |
| Material | RUBBER SYNTHETIC PACKING |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Test Data Document | 81349-MIL-S-901 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Opening Pressure Setting | 111.0 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | MIL-P-5516,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE PACKING |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Second Connection Face to Centerline Distance | 3.250 INCHES IN |
| Material | STEEL FLOW CONTROL DEVICE |
| Style Designator | ANGLE FLANGED ENDS |
| Operating Pressure | 275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Outside Diameter | 3.500 INCHES ALL ENDS IN |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| First Connection Face to Centerline Distance | 3.250 INCHES IN |
| Bolt Hole Nominal Diameter | 0.500 INCHES ALL ENDS IN |
| Material | STEEL BODY |
| Material | STEEL COMP 303 SEAT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20039 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20039H91SS | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20039H91SS | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 2003901S0111 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-088-7460 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 4820-01-088-7460 has 4 cross-referenced part numbers: 20039 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20039H91SS (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20039H91SS (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 2003901S0111 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 12 known substitutes for 4820-01-088-7460: 2920-00-096-9252, 5133-00-228-1326, 5935-00-373-8805 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2003901S0111: Bolt Circle Nominal Diameter: 2.375 INCHES ALL ENDS IN; Material Document and Classification: QQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE SEAT; Bolt Hole Quantity: 4 ALL ENDS; Flow Control Device: DISK. 30 total characteristics are documented in the Federal Logistics Information System.