The Tee,tube, cataloged under National Stock Number 4730-01-540-5781, 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 Sae International Dba Sae International. Government technical data includes 15 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-540-5781 |
| Primary Part Number | SAE J1453-3 6-6-6 520432SA |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Connection Style | GASKET SEAL (TUBE) SECOND END |
| Connection Style | SWIVEL NUT, GASKET SEAL (TUBE) FIRST END |
| Connection Style | GASKET SEAL (TUBE) THIRD END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES ALL ENDS IN |
| Leg Length | 1.170 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.688 INCHES ALL ENDS IN |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A THIRD END A |
| Thread Class | 2B FIRST END |
| Thread Quantity Per Inch | 16 ALL ENDS |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UN ALL ENDS |
| 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 |
|---|---|
| SAE J1453-3 6-6-6 520432SA PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE J1453-1 | 5/9 Secondary reference U.S. Government activity |
| SAE-J1453/3 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 6-6-6 520432SA | 5/9 Secondary reference U.S. Government activity |
| SAE J1453-1 | 5/9 Secondary reference Sae International Dba Sae International |
| SAE J1453-3 6-6-6 520432SA | 5/9 Secondary reference U.S. Government activity |
| SAE J1453-3 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-540-5781 is a Tee,tube, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-540-5781 has 1 manufacturer part number on file: SAE J1453-3 6-6-6 520432SA (Sae International Dba Sae International).
Key specifications for SAE J1453-3 6-6-6 520432SA: Connection Style: GASKET SEAL (TUBE) SECOND END; Connection Style: SWIVEL NUT, GASKET SEAL (TUBE) FIRST END; Connection Style: GASKET SEAL (TUBE) THIRD END; Connection Type: THREADED EXTERNAL TUBE THIRD END. 15 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.