The Valve,safety Relief, cataloged under National Stock Number 4820-01-162-7083, 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 20 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-162-7083 |
| Primary Part Number | 20134V51M |
| 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 |
| Material | NICKEL ALLOY SEAT |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES ALL ENDS IN |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Style Designator | ANGLE |
| Flow Control Device | DISK |
| Material Document and Classification | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Valve Operation Method | AUTOMATIC |
| Connection Style | STREAMLINED WITH ONE BRAZING RING (TUBE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | COPPER ALLOY BODY |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Adjustable Pressure Range | +271.0 TO 300.0 POUNDS PER SQUARE INCH LBS |
| Bonnet Type | INSIDE SPRING |
| Bonnet Attachment Method | BOLTED |
| Disk Loading Method | SPRING |
| Material | NICKEL ALLOY STEM |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-162-7083 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 4820-01-162-7083 has 3 cross-referenced part numbers: 20134V51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20134 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20134V51M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 11 known substitutes for 4820-01-162-7083: 5133-00-228-1381, 5133-00-266-9471, 5360-00-476-9689 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20134V51M: Material: NICKEL ALLOY SEAT; Nominal Outside Diameter Tube Accommodated: 1.250 INCHES ALL ENDS IN; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM; Style Designator: ANGLE. 20 total characteristics are documented in the Federal Logistics Information System.