The Valve,safety Relief, cataloged under National Stock Number 4820-01-127-3841, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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 | 4820-01-127-3841 |
| Primary Part Number | E8652D51SS |
| 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 |
| Renewable Seat Ring Type | THREADED |
| Bonnet Attachment Method | BOLTED |
| Material Document and Classification | QQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Adjustable Pressure Range | +5.0 TO 270.0 POUNDS PER SQUARE INCH LBS |
| Flange Face Design | PLAIN ALL ENDS |
| Material | STEEL COMP 303 FLOW CONTROL DEVICE |
| Operating Pressure | 270.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material Document and Classification | QQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Valve Size | 0.500 INCHES IN |
| First Connection Face to Centerline Distance | 3.250 INCHES IN |
| Disk Loading Method | SPRING |
| Bonnet Type | EXPOSED SPRING |
| Material | STEEL COMP 303 SEAT |
| Second Connection Face to Centerline Distance | 3.250 INCHES IN |
| Valve Operation Method | AUTOMATIC |
| Style Designator | ANGLE FLANGED ENDS |
| Flow Control Device | DISK |
| Material | STEEL BODY |
| Connection Type | FLANGE ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| E8652D51SS | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 8652 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| E8652D51SS PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-127-3841 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 4820-01-127-3841 has 3 cross-referenced part numbers: E8652D51SS (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 8652 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), E8652D51SS (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
There are 7 known substitutes for 4820-01-127-3841: 9540-00-147-7715, 6145-00-834-9393, 4730-01-103-4249 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for E8652D51SS: Renewable Seat Ring Type: THREADED; Bonnet Attachment Method: BOLTED; Material Document and Classification: QQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE SEAT; Material Document and Classification: ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY. 20 total characteristics are documented in the Federal Logistics Information System.