The Valve,safety Relief, cataloged under National Stock Number 4820-01-142-9657, 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 6 commercial cross-references from 4 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 | 4820-01-142-9657 |
| Primary Part Number | 09523H03C1251 |
| 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 |
| Nominal Pipe Size Accommodated | 0.750 INCHES FIRST END IN |
| Material Document and Classification | FED STD 66,AISI 304/SAE 30304 FED STD SINGLE MATERIAL RESPONSE SEAT |
| Valve Operation Method | AUTOMATIC |
| Material | COPPER ALLOY BODY |
| Flow Control Device | DISK |
| Adjustable Pressure Range | +1251.0 TO 1550.0 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Nominal Pipe Size Accommodated | 0.500 INCHES SECOND END IN |
| Material | STEEL COMP 304 SEAT |
| Material Document and Classification | AISI 303 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Style Designator | ANGLE |
| Disk Loading Method | SPRING |
| Connection Style | SOCKET WITH BRAZING RING FIRST END |
| Material | STEEL COMP 303 FLOW CONTROL DEVICE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Furnished Items and Quantity | 2 NUT AND 2 TAILPIECE |
| Maximum Operating Temp | 180.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | STREAMLINED WITH TWO BRAZING RINGS SECOND END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| D49-30UU-06 1/2 IN | Danco Valve Company (USA) |
| 09523H03C1251 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 9523 W/VITON PKG 125ITI550PSI | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 9523 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 09523H03C1251 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| D49-30UU-06 1/2 IN | Dante Valve Company (USA) |
NSN 4820-01-142-9657 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 4820-01-142-9657 has 6 cross-referenced part numbers: D49-30UU-06 1/2 IN (Danco Valve Company), 09523H03C1251 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 9523 W/VITON PKG 125ITI550PSI (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9523 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 09523H03C1251 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 1 more.
There are 7 known substitutes for 4820-01-142-9657: 5120-00-180-0779, 6145-00-643-0463, 4820-00-905-5491 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 09523H03C1251: Nominal Pipe Size Accommodated: 0.750 INCHES FIRST END IN; Material Document and Classification: FED STD 66,AISI 304/SAE 30304 FED STD SINGLE MATERIAL RESPONSE SEAT; Valve Operation Method: AUTOMATIC; Material: COPPER ALLOY BODY. 21 total characteristics are documented in the Federal Logistics Information System.