The Union,pipe to Tube, cataloged under National Stock Number 4730-00-277-5250, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 30 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: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-277-5250 |
| Primary Part Number | 522-4805-722451ALT3PCF38 |
| Item Name | Union,pipe to Tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.250 INCHES SECOND END IN |
| Reducer Type | CONCENTRIC |
| Seat Type | BEVELED |
| Nominal Overall Length | 1.563 INCHES IN |
| Coupling Flange Shape | HEXAGON |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Style Designator | SCREWED |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | COPPER ALLOY OVERALL |
| Tubing Wall Nominal Thickness for Which Designed | 0.049 INCHES FIRST END IN |
| Thread Series Designator | NPT SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Connection Style | SOCKET BRAZING RING (TUBE) FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Furnished Items and Quantity | 1 GLAND NUT AND 1 GASKET |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 522-4805-722451ALT3PCF38 PRIMARY | Naval Sea Systems Command (USA) |
| 385-4800-1225430PCF60 PRIMARY | Naval Sea Systems Command (USA) |
| 5057-516PCF40 PRIMARY | Portsmouth Naval Shipyard (USA) |
| 385-4800-1194369ALT6PCF22 | Naval Ship Systems Command (USA) |
| 563-4900-932405ALT18PCF105 | Naval Ship Systems Command (USA) |
| 522-4805-722451ALT3PCF38 | Naval Ship Systems Command (USA) |
| 487-4800-722081ALT10PCF32 PRIMARY | Naval Sea Systems Command (USA) |
| 418-4800-1194430ALT7PCF61 | Naval Ship Systems Command (USA) |
| 3582 PRIMARY | The Walworth Company (USA) |
| 385-4800-1225430PCF60 | Naval Ship Systems Command (USA) |
| 516-4805-69511ALT17PCF40 PRIMARY | Naval Sea Systems Command (USA) |
| 572-4801-1415429ALTAPCF80 | Naval Ship Systems Command (USA) |
| 487-4800-722081ALT10PCF30 | Naval Ship Systems Command (USA) |
| 5057-516PCF45 PRIMARY | Portsmouth Naval Shipyard (USA) |
| 385-4800-1194369ALT6PCF22 PRIMARY | Naval Sea Systems Command (USA) |
| 516-4805-69511ALT17PCF40 | Naval Ship Systems Command (USA) |
| 516-4805-69511ALT13PCF45 PRIMARY | Naval Sea Systems Command (USA) |
| 487-4800-722081ALT10PCF30 PRIMARY | Naval Sea Systems Command (USA) |
| F0652G PRIMARY | Flagg Stanley G & Co Inc Dba Flagg Brass (USA) |
| 5065-522PCF38 PRIMARY | Portsmouth Naval Shipyard (USA) |
NSN 4730-00-277-5250 is a Union,pipe to Tube, manufactured by Naval Sea Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-277-5250 has 30 cross-referenced part numbers: 522-4805-722451ALT3PCF38 (Naval Sea Systems Command), 385-4800-1225430PCF60 (Naval Sea Systems Command), 5057-516PCF40 (Portsmouth Naval Shipyard), 385-4800-1194369ALT6PCF22 (Naval Ship Systems Command), 563-4900-932405ALT18PCF105 (Naval Ship Systems Command) and 25 more.
There are 12 known substitutes for 4730-00-277-5250: 2530-00-184-7550, 6145-00-243-5834, 5360-00-291-1227 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 522-4805-722451ALT3PCF38: Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END IN; Reducer Type: CONCENTRIC; Seat Type: BEVELED; Nominal Overall Length: 1.563 INCHES IN. 19 total characteristics are documented in the Federal Logistics Information System.