The Valve,safety Relief, cataloged under National Stock Number 4820-01-499-5988, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-499-5988 |
| Primary Part Number | 453036R2 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Style | FLARE(TUBE) ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Media for Which Designed | LIQUID SECOND RESPONSE |
| Style Designator | ANGLE |
| Material | STEEL OVERALL |
| Adjustable Pressure Range | +30.0 TO 100.0 POUNDS PER SQUARE INCH LBS |
| Media for Which Designed | OIL FIRST RESPONSE |
| Bonnet Type | INSIDE SPRING |
| Disk Loading Method | SPRING |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Flow Control Device | PISTON |
| Bonnet Attachment Method | THREADED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 077C | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| 453036R2 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| PL12498531 PC NO 82 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| PL12498531 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 77C | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 12498531 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 00077C | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| PL12498531 PC NO 82 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 077C | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 453036R2 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 00077C | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| PL12498531 PC NO 82 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 077C | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| PL12498531 PC NO 82 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
NSN 4820-01-499-5988 is a Valve,safety Relief, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-499-5988 has 14 cross-referenced part numbers: 077C (Siemens Energy, Inc. Dba Dresser-Rand), 453036R2 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), PL12498531 PC NO 82 (Siemens Energy, Inc. Dba Dresser-Rand), PL12498531 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 77C (Dresser-Rand Co Worthington Compressor Opn a Joint Venture) and 9 more.
There are 8 known substitutes for 4820-01-499-5988: 9540-00-147-6274, 9540-00-542-2698, 4820-00-718-2814 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 453036R2: End Item Identification: CENTRIFUGAL COMPRESSOR; Operating Pressure: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Connection Style: FLARE(TUBE) ALL ENDS; Valve Operation Method: AUTOMATIC. 15 total characteristics are documented in the Federal Logistics Information System.