The Valve,safety Relief, cataloged under National Stock Number 4820-01-130-8481, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-130-8481 |
| Primary Part Number | 9665F51SS |
| 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 |
| Disk Loading Method | SPRING |
| Maximum Operating Temp | 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Type | FLANGE ALL ENDS |
| Bonnet Attachment Method | BOLTED |
| Material | STEEL BODY |
| Material | NICKEL ALLOY SEAT |
| Valve Operation Method | AUTOMATIC |
| Adjustable Pressure Range | +30.0 TO 34.0 POUNDS PER SQUARE INCH LBS |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Flange Face Design | RAISED WITH CURVE AND RADIUS ALL ENDS |
| Style Designator | ANGLE |
| Raised Face Nominal Diameter | 1.375 INCHES ALL ENDS IN |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Material | NICKEL ALLOY STEM |
| Flow Control Device | DISK |
| Nominal Outside Diameter | 3.500 INCHES ALL ENDS IN |
| Flange Shape | ROUND ALL ENDS |
| Bonnet Type | INSIDE SPRING |
| Nominal Thickness | 0.438 INCHES ALL ENDS IN |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-130-8481 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 4820-01-130-8481 has 3 cross-referenced part numbers: 9665F51SS (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9665 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9665F51SS (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 10 known substitutes for 4820-01-130-8481: 5950-00-058-4896, 3460-00-181-7053, 5950-00-237-1440 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 9665F51SS: Disk Loading Method: SPRING; Maximum Operating Temp: 450.0 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Type: FLANGE ALL ENDS; Bonnet Attachment Method: BOLTED. 21 total characteristics are documented in the Federal Logistics Information System.