The Valve,safety Relief, cataloged under National Stock Number 4820-01-127-3849, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-127-3849 |
| Primary Part Number | 20260K51M |
| 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 |
| Connection Style | GASKET SEAL (PIPE) ALL ENDS |
| Material | NICKEL ALLOY SEAT |
| Material | COPPER ALLOY BODY |
| Disk Loading Method | SPRING |
| Maximum Operating Temp | 165.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flow Control Device | DISK |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Operation Method | AUTOMATIC |
| Adjustable Pressure Range | +66.0 TO 75.0 POUNDS PER SQUARE INCH LBS |
| Bonnet Type | INSIDE SPRING |
| Nominal Pipe Size Accommodated | 1.000 INCHES ALL ENDS IN |
| Bonnet Attachment Method | BOLTED |
| Media for Which Designed | GAS, INERT SECOND RESPONSE |
| Style Designator | ANGLE |
| Material | STEEL COMP 316 STEM |
| Media for Which Designed | AIR FIRST RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20260 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20260K51M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 2026001S0066 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20260K51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20260 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-127-3849 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 4820-01-127-3849 has 5 cross-referenced part numbers: 20260 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20260K51M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 2026001S0066 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20260K51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20260 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 9 known substitutes for 4820-01-127-3849: 5325-00-269-3747, 4310-00-468-0026, 5935-00-502-5148 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20260K51M: End Item Identification: LOS ANGELES CLASS SSN(688); Connection Style: GASKET SEAL (PIPE) ALL ENDS; Material: NICKEL ALLOY SEAT; Material: COPPER ALLOY BODY. 19 total characteristics are documented in the Federal Logistics Information System.