The Valve,safety Relief, cataloged under National Stock Number 4820-00-446-3497, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dante Valve Company. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-446-3497 |
| Primary Part Number | 1768 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Dante Valve Company |
| Status | CANCELLED |
| Bonnet Type | INSIDE SPRING |
| Material | COPPER ALLOY STEM |
| Thread Series Designator | NPT FIRST END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Valve Operation Method | AUTOMATIC |
| Material | STEEL FLOW CONTROL DEVICE |
| Operating Pressure | 1400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | COPPER ALLOY BODY |
| Bonnet Attachment Method | THREADED |
| Thread Direction | RIGHT-HAND FIRST END |
| Adjustable Pressure Range | +801.0 TO 1400.0 POUNDS PER SQUARE INCH LBS |
| Nominal Pipe Size Accommodated | 0.500 INCHES FIRST END IN |
| Thread Quantity Per Inch | 14 FIRST END |
| Style Designator | STRAIGHT THRU |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Material | COPPER ALLOY SEAT |
| Disk Loading Method | SPRING |
| Flow Control Device | DISK |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 107028PC15 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| DD453S49-0265PC15 | Naval Ship Systems Command (USA) |
| BB55S49-089PC435 | Naval Ship Systems Command (USA) |
| AD14S49-0147PC15 | Naval Ship Systems Command (USA) |
| CV22S49-64ALT4PC15 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| BB58S49-056PC435 | Naval Ship Systems Command (USA) |
| 150-570HPC435 | Hardie-Tynes Co., Inc. (USA) |
| 118822PC15 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| AS11S49-8PC435 | Naval Ship Systems Command (USA) |
| 36B01867PC435 | Naval Ship Systems Command (USA) |
| 117528PC15 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| DD421S49-0293PC15 | Naval Ship Systems Command (USA) |
| DD453S49-44ALT2PC15 | Naval Ship Systems Command (USA) |
| DD445S4901-92ALT4PC15 | Naval Ship Systems Command (USA) |
| AD14S49-126PC15 | Naval Ship Systems Command (USA) |
| DD421S49-084PC15 | Naval Ship Systems Command (USA) |
| DD397S49-030PC15 | Naval Ship Systems Command (USA) |
| 107528PC15 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| AV4S49-022PC15 | Naval Ship Systems Command (USA) |
| AD14S49-0250PC15 | Naval Ship Systems Command (USA) |
NSN 4820-00-446-3497 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-446-3497 has 50 cross-referenced part numbers: 107028PC15 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), DD453S49-0265PC15 (Naval Ship Systems Command), BB55S49-089PC435 (Naval Ship Systems Command), AD14S49-0147PC15 (Naval Ship Systems Command), CV22S49-64ALT4PC15 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture) and 45 more.
There are 12 known substitutes for 4820-00-446-3497: 6685-00-061-4146, 3110-00-155-9618, 6240-00-269-0964 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1768: Bonnet Type: INSIDE SPRING; Material: COPPER ALLOY STEM; Thread Series Designator: NPT FIRST END; Connection Style: PLAIN (PIPE) FIRST END. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-446-3497 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.