The Valve,safety Relief, cataloged under National Stock Number 4820-01-086-2835, 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 24 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-086-2835 |
| Primary Part Number | 20315BS51SS |
| 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 |
| Material | STEEL COMP 303 STEM |
| Material Document and Classification | QQ-S-764,CL303 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Style Designator | ANGLE |
| Nominal Thread Size | 2.250 INCHES ALL ENDS IN |
| Thread Series Designator | UN ALL ENDS |
| Connection Type | THREADED EXTERNAL BOSS ALL ENDS |
| Material | STEEL COMP 303 FLOW CONTROL DEVICE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS |
| Material Document and Classification | ASTM A351,GR CFS ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material | STEEL BODY |
| Material Document and Classification | QQ-S-764,CL303 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Adjustable Pressure Range | +10.0 TO 14.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Bonnet Attachment Method | BOLTED |
| Thread Class | 3A ALL ENDS A |
| Bonnet Type | INSIDE SPRING |
| Renewable Seat Ring Type | THREADED |
| Disk Loading Method | SPRING |
| Operating Pressure | 750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Flow Control Device | DISK |
| Valve Operation Method | AUTOMATIC |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20315BS51SS PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20315BS51SS | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20315 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-086-2835 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 4820-01-086-2835 has 3 cross-referenced part numbers: 20315BS51SS (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20315BS51SS (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20315 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 9 known substitutes for 4820-01-086-2835: 3110-00-156-7593, 6130-00-237-0176, 4810-00-570-9507 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20315BS51SS: Material: STEEL COMP 303 STEM; Material Document and Classification: QQ-S-764,CL303 FED SPEC SINGLE MATERIAL RESPONSE STEM; Media for Which Designed: AIR SINGLE RESPONSE; Style Designator: ANGLE. 24 total characteristics are documented in the Federal Logistics Information System.