The Valve,safety Relief, cataloged under National Stock Number 4820-01-208-4255, 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 15 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-208-4255 |
| Primary Part Number | E8632P41M |
| 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 | CANCELLED |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Connection Style | SOCKET WITH BRAZING RING ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Media for Which Designed | WATER, FRESH SECOND RESPONSE |
| Adjustable Pressure Range | +121.0 TO 135.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| Material | COPPER ALLOY STEM |
| Flow Control Device | DISK |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | ANGLE |
| Material | NICKEL ALLOY SEAT |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | AIR FIRST RESPONSE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8526 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 8632 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| E8632P41M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| E8632P41M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| E8526P41M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-208-4255 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: cancelled.
NSN 4820-01-208-4255 has 5 cross-referenced part numbers: 8526 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 8632 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), E8632P41M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), E8632P41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), E8526P41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 12 known substitutes for 4820-01-208-4255: 6810-00-227-0404, 5977-00-284-9926, 1075-00-383-8271 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for E8632P41M: Material: NICKEL ALLOY FLOW CONTROL DEVICE; Connection Style: SOCKET WITH BRAZING RING ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Media for Which Designed: WATER, FRESH SECOND RESPONSE. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-208-4255 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.