The Valve,safety Relief, cataloged under National Stock Number 4820-01-127-6051, 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 17 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-127-6051 |
| Primary Part Number | 20235 H51M |
| 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 Document and Classification | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Style Designator | ANGLE |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Connection Style | SOCKET WITH BRAZING RING ALL ENDS |
| Bonnet Type | INSIDE SPRING |
| Nominal Pipe Size Accommodated | 0.250 INCHES ALL ENDS IN |
| Adjustable Pressure Range | +45.0 TO 55.0 POUNDS PER SQUARE INCH LBS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Material | COPPER ALLOY BODY |
| Maximum Operating Temp | 165.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flow Control Device | DISK |
| Valve Operation Method | AUTOMATIC |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | NICKEL ALLOY SEAT |
| Bonnet Attachment Method | BOLTED |
| Media for Which Designed | GAS, NATURAL SINGLE RESPONSE |
| Material | NICKEL ALLOY STEM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20235 H51M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20235 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20235 H51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-127-6051 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 4820-01-127-6051 has 3 cross-referenced part numbers: 20235 H51M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20235 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20235 H51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 12 known substitutes for 4820-01-127-6051: 5330-00-182-3482, 5950-00-336-2979, 5305-00-468-0008 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20235 H51M: Material Document and Classification: QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY; Style Designator: ANGLE; Material: NICKEL ALLOY FLOW CONTROL DEVICE; Connection Style: SOCKET WITH BRAZING RING ALL ENDS. 18 total characteristics are documented in the Federal Logistics Information System.