The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-552-6285, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-552-6285 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.250 INCHES SECOND END IN |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 4.910 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES FIRST END IN |
| Operating Pressure | 1150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 1.625 INCHES FIRST END IN |
| Nominal Thread Size | 1.250 INCHES SECOND END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Maximum Operating Temp | 100.0 CELSIUS SINGLE RESPONSE DEGC |
| Surface Treatment | PASSIVATE OVERALL |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | NPTF SECOND END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A3278583-001 | 3/2 Design control — primary reference U.S. Government activity |
| A3278583 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-552-6285 is a Adapter,straight,pipe to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-552-6285: Nominal Pipe Size Accommodated: 1.250 INCHES SECOND END IN; Connection Style: FLARED (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 4.910 INCHES IN. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.