The Valve,safety Relief, cataloged under National Stock Number 4820-01-131-5919, 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 26 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 | 4820-01-131-5919 |
| Primary Part Number | 9665E51SS |
| 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 |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Operation Method | AUTOMATIC |
| Maximum Operating Temp | 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | NICKEL ALLOY OR STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Adjustable Pressure Range | +25.0 TO 29.0 POUNDS PER SQUARE INCH LBS |
| Material | STEEL BODY |
| Valve Size | 0.500 INCHES IN |
| Flange Shape | ROUND ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Material | NICKEL ALLOY OR STEEL CORROSION RESISTING SEAT |
| Flow Control Device | DISK |
| Style Designator | ANGLE FLANGED ENDS |
| First Connection Face to Centerline Distance | 3.250 INCHES IN |
| Media for Which Designed | STEAM SECOND RESPONSE |
| Material Document and Classification | ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Nominal Thickness | 0.376 INCHES ALL ENDS IN |
| Raised Face Nominal Diameter | 1.375 INCHES ALL ENDS IN |
| Material | STEEL CORROSION RESISTING STEM |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Media for Which Designed | WATER, FRESH THIRD RESPONSE |
| Media for Which Designed | OIL FIRST RESPONSE |
| Bonnet Attachment Method | BOLTED |
| Nominal Outside Diameter | 3.500 INCHES ALL ENDS IN |
| Second Connection Face to Centerline Distance | 3.250 INCHES IN |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Bonnet Type | INSIDE SPRING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-131-5919 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 4820-01-131-5919 has 3 cross-referenced part numbers: 9665E51SS (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 9665E51SS (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9665 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 10 known substitutes for 4820-01-131-5919: 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 9665E51SS: Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Operation Method: AUTOMATIC; Maximum Operating Temp: 450.0 FAHRENHEIT SINGLE RESPONSE DEGF; Material: NICKEL ALLOY OR STEEL CORROSION RESISTING FLOW CONTROL DEVICE. 26 total characteristics are documented in the Federal Logistics Information System.