The Valve,safety Relief, cataloged under National Stock Number 4820-01-145-6676, 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 19 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-145-6676 |
| Primary Part Number | 20134 |
| 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 |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Adjustable Pressure Range | +106.0 TO 120.0 POUNDS PER SQUARE INCH LBS |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Style Designator | ANGLE |
| Bonnet Type | INSIDE SPRING |
| Material | NICKEL ALLOY STEM |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Connection Style | STREAMLINED WITH ONE BRAZING RING (TUBE) ALL ENDS |
| Material | NICKEL ALLOY SEAT |
| Material Document and Classification | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES ALL ENDS IN |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Attachment Method | THREADED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20134 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20134N51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20134N51M PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20134 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-145-6676 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 4820-01-145-6676 has 4 cross-referenced part numbers: 20134 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20134N51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20134N51M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20134 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 11 known substitutes for 4820-01-145-6676: 5133-00-228-1381, 5133-00-266-9471, 5360-00-476-9689 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20134: Flow Control Device: DISK; Material: NICKEL ALLOY FLOW CONTROL DEVICE; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT; Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF. 19 total characteristics are documented in the Federal Logistics Information System.