The Valve,safety Relief, cataloged under National Stock Number 4820-01-052-0070, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-052-0070 |
| Primary Part Number | 1/287CS165SET200 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | CANCELLED |
| Thread Series Designator | UNS ALL ENDS |
| Flow Control Device | DISK |
| Material Document and Classification | ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Material Document and Classification | QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Disk Loading Method | SPRING |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Style Designator | ANGLE |
| Operating Pressure | 230.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material Document and Classification | AISI 303 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Thread Quantity Per Inch | 14 SECOND END |
| Thread Quantity Per Inch | 11 FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Bonnet Type | INSIDE SPRING |
| Material | STEEL COMP 303 SEAT |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Material Document and Classification | AISI 316 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Bonnet Attachment Method | THREADED |
| Valve Operation Method | AUTOMATIC |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | COPPER ALLOY STEM |
| Opening Pressure Setting | 200.0 POUNDS PER SQUARE INCH LBS |
| Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Furnished Items and Quantity | 2 NUT AND 2 TAILPIECE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| D42UU-09H-1/2-3/4 | Danco Valve Company (USA) |
| D42UU-186T230-1/2X3/4 | Danco Valve Company (USA) |
| 7093B 231T270PSI | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| 9521-MOD231T270SET250PSI | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 87CS165-186T0230PSI | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 200137 PIECE 251SET200 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 1/287CS165SET200 PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 87-CS-165 231T270 MOD | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| D42UU-11 1/2 X 3/4 IN | Danco Valve Company (USA) |
| 200137 PIECE 251SET200 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| 9521-M0D231T270 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 7093BSET200 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 200137 PIECE 251SET200 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 9521 231 T0 270 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 200137 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 200137 PIECE 251SET250 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| 200137 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| 7093B | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| D42S-186T230-8-12 | Danco Valve Company (USA) |
| 87CS165MOD186T230PSI | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-052-0070 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-052-0070 has 22 cross-referenced part numbers: D42UU-09H-1/2-3/4 (Danco Valve Company), D42UU-186T230-1/2X3/4 (Danco Valve Company), 7093B 231T270PSI (Siemens Energy, Inc. Dba Dresser-Rand), 9521-MOD231T270SET250PSI (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 87CS165-186T0230PSI (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 17 more.
There are 7 known substitutes for 4820-01-052-0070: 5315-00-148-8962, 5133-00-189-9282, 5330-01-023-6198 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1/287CS165SET200: Thread Series Designator: UNS ALL ENDS; Flow Control Device: DISK; Material Document and Classification: ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE STEM; Nominal Thread Size: 0.750 INCHES FIRST END IN. 28 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-052-0070 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.