The Tee,pipe to Tube, cataloged under National Stock Number 4730-00-974-7589, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Mack Trucks Inc Parts Opn. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-974-7589 |
| Primary Part Number | 63AX532 |
| Item Name | Tee,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mack Trucks Inc Parts Opn |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | INVERTED FLARE (PIPE) THIRD END |
| Connection Type | THREADED EXTERNAL PIPE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Leg Length | 0.875 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.750 INCHES NOMINAL THIRD END IN |
| Leg Length | 0.875 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Nominal Thread Size | 0.125 INCHES THIRD END IN |
| Seat Angle | 45.0 DEGREES SECOND END |
| Seat Angle | 45.0 DEGREES FIRST END |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A FIRST END A |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPTF THIRD END |
| Thread Series Designator | UNF FIRST END |
| Thread Series Designator | UNF 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 |
| Part Number | Manufacturer |
|---|---|
| 63AX532 PRIMARY | Mack Trucks Inc Parts Opn (USA) |
NSN 4730-00-974-7589 is a Tee,pipe to Tube, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-974-7589 has 1 manufacturer part number on file: 63AX532 (Mack Trucks Inc Parts Opn).
Key specifications for 63AX532: Connection Style: FLARED (TUBE) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Connection Style: INVERTED FLARE (PIPE) THIRD END; Connection Type: THREADED EXTERNAL PIPE THIRD END. 22 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.