The Valve,safety Relief, cataloged under National Stock Number 4820-01-127-5114, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-127-5114 |
| Primary Part Number | 8087E41M |
| 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 |
| Flow Control Device | DISK |
| Style Designator | ANGLE FLANGED ENDS |
| Nominal Thickness | 0.440 INCHES ALL ENDS IN |
| First Connection Face to Centerline Distance | 3.250 INCHES IN |
| Bolt Circle Nominal Diameter | 2.380 INCHES ALL ENDS IN |
| Valve Size | 0.500 INCHES IN |
| Material Document and Classification | ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material | NICKEL ALLOY SEAT |
| Valve Operation Method | AUTOMATIC |
| Connection Type | FLANGE ALL ENDS |
| Media for Which Designed | AIR FIRST RESPONSE |
| Adjustable Pressure Range | +25.0 TO 29.0 POUNDS PER SQUARE INCH LBS |
| Material | STEEL COMP 303 FLOW CONTROL DEVICE |
| Maximum Operating Temp | 650.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Material Document and Classification | AISI 303 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Media for Which Designed | STEAM SECOND RESPONSE |
| Disk Loading Method | SPRING |
| Bonnet Attachment Method | BOLTED |
| Raised Face Nominal Diameter | 1.190 INCHES ALL ENDS IN |
| Material | STEEL COMP 303 STEM |
| Bonnet Type | INSIDE SPRING |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 4 ALL ENDS |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Renewable Seat Ring Type | THREADED |
| Nominal Outside Diameter | 3.500 INCHES ALL ENDS IN |
| Second Connection Face to Centerline Distance | 3.250 INCHES IN |
| Material | STEEL BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8087E41M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 8087E41M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 8087 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 8087 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-127-5114 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 4820-01-127-5114 has 4 cross-referenced part numbers: 8087E41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 8087E41M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 8087 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 8087 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 7 known substitutes for 4820-01-127-5114: 5998-00-105-0894, 2990-00-718-5943, 5950-00-891-1568 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8087E41M: Flow Control Device: DISK; Style Designator: ANGLE FLANGED ENDS; Nominal Thickness: 0.440 INCHES ALL ENDS IN; First Connection Face to Centerline Distance: 3.250 INCHES IN. 30 total characteristics are documented in the Federal Logistics Information System.