The Valve,safety Relief, cataloged under National Stock Number 4820-01-127-5117, 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 12 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-127-5117 |
| Primary Part Number | 2026101S0066 |
| 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 | BEVELED (PIPE) ALL ENDS |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Valve Operation Method | AUTOMATIC |
| Connection Type | BUTT WELD PIPE ALL ENDS |
| Flow Control Device | DISK |
| Material | STEEL COMP 316 STEM |
| Material | NICKEL ALLOY SEAT |
| Nominal Pipe Size Accommodated | 2.500 INCHES ALL ENDS IN |
| Style Designator | ANGLE |
| Operating Pressure | 750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Adjustable Pressure Range | +66.0 TO 75.0 POUNDS PER SQUARE INCH LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2026101S0066 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20261S0066 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20261K51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20261 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20261D01S0066 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-127-5117 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 4820-01-127-5117 has 5 cross-referenced part numbers: 2026101S0066 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20261S0066 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20261K51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20261 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20261D01S0066 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 12 known substitutes for 4820-01-127-5117: 5820-00-103-6315, 5310-00-270-2195, 4820-00-275-2227 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2026101S0066: Connection Style: BEVELED (PIPE) ALL ENDS; Material: COPPER ALLOY BODY; Material: NICKEL ALLOY FLOW CONTROL DEVICE; Valve Operation Method: AUTOMATIC. 13 total characteristics are documented in the Federal Logistics Information System.