The Valve,angle, cataloged under National Stock Number 4820-00-273-8933, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-273-8933 |
| Primary Part Number | 21U1143PC4290 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Test Data Document | 81601-N14739 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | UNF FIRST END |
| Nominal Pipe Size Accommodated | 0.375 INCHES SECOND END IN |
| Material | COPPER ALLOY SEAT |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Flow Control Device | DISK |
| Thread Class | 2A FIRST END A |
| Valve Operation Method | MANUAL |
| Connection Style | PLAIN,OPTIONAL END(PIPE) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Bonnet Type | INSIDE SCREW |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Bonnet Attachment Method | THREADED |
| Features Provided | BONNET PACKING |
| Maximum Operating Temp | 425.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Thread Series Designator | NPT SECOND END |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Seat Angle | 45.0 DEGREES FIRST END |
| Style Designator | ANGLE |
| Material | NICKEL ALLOY STEM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4290 | Norfolk Naval Shipyard (USA) |
| 21U1143PC4290 PRIMARY | Naval Ship Systems Command (USA) |
| N14739PC4290 | Norfolk Naval Shipyard (USA) |
NSN 4820-00-273-8933 is a Valve,angle, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-273-8933 has 3 cross-referenced part numbers: 4290 (Norfolk Naval Shipyard), 21U1143PC4290 (Naval Ship Systems Command), N14739PC4290 (Norfolk Naval Shipyard).
There are 12 known substitutes for 4820-00-273-8933: 6625-00-019-1235, 5935-00-321-7969, 5975-00-485-9880 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21U1143PC4290: Test Data Document: 81601-N14739 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING); Material: COPPER ALLOY BODY; Thread Series Designator: UNF FIRST END; Nominal Pipe Size Accommodated: 0.375 INCHES SECOND END IN. 29 total characteristics are documented in the Federal Logistics Information System.