The Valve,safety Relief, cataloged under National Stock Number 4820-00-464-2500, 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 23 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-464-2500 |
| Primary Part Number | 20185PS41M |
| 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 |
| Valve Size | 3.000 INCHES IN |
| Flow Control Device | DISK |
| Bolt Hole Quantity | 8 ALL ENDS |
| Material | NICKEL ALLOY STEM |
| Second Connection Face to Centerline Distance | 6.000 INCHES IN |
| Bolt Hole Nominal Diameter | 0.812 INCHES ALL ENDS IN |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | NICKEL ALLOY SEAT |
| Nominal Thickness | 0.938 INCHES ALL ENDS IN |
| First Connection Face to Centerline Distance | 6.000 INCHES IN |
| Nominal Outside Diameter | 8.125 INCHES ALL ENDS IN |
| Bonnet Attachment Method | BOLTED |
| Disk Loading Method | SPRING |
| Valve Operation Method | AUTOMATIC |
| Renewable Seat Ring Type | THREADED |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Style Designator | ANGLE FLANGED ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Bolt Circle Nominal Diameter | 6.562 INCHES ALL ENDS IN |
| Bonnet Type | INSIDE SPRING |
| Adjustable Pressure Range | +121.0 TO 135.0 POUNDS PER SQUARE INCH LBS |
| Connection Type | FLANGE ALL ENDS |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20185PS41M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20185PS41M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20185 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 1741T | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 1741T | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-00-464-2500 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 4820-00-464-2500 has 5 cross-referenced part numbers: 20185PS41M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20185PS41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20185 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 1741T (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 1741T (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 10 known substitutes for 4820-00-464-2500: 5365-00-597-5574, 5930-01-045-0213, 5915-01-071-5233 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20185PS41M: Valve Size: 3.000 INCHES IN; Flow Control Device: DISK; Bolt Hole Quantity: 8 ALL ENDS; Material: NICKEL ALLOY STEM. 24 total characteristics are documented in the Federal Logistics Information System.