The Tee,tube, cataloged under National Stock Number 4730-01-102-3704, 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 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-102-3704 |
| Primary Part Number | 6-6-4 120401BA |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Furnished Items and Quantity | 3 TUBE COUPLING NUT W/SLEEVE |
| Connection Style | COMPRESSION (TUBE) ALL ENDS |
| Seat Nominal Radius | 0.062 INCHES ALL ENDS IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES THIRD END IN |
| Leg Length | 0.800 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.800 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.630 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.438 INCHES THIRD END IN |
| Nominal Thread Size | 0.531 INCHES SECOND END IN |
| Nominal Thread Size | 0.531 INCHES FIRST END IN |
| Specification/standard Data | 81343-J246 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 3A FIGURE A |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 24 ALL ENDS |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNS 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 |
|---|---|
| 6-6-4 120401BA PRIMARY | Sae International Dba Sae International (USA) |
| 225760N PRIMARY | Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA) |
| Reference | Meaning |
|---|---|
| 6-6-4 120401BA | 3/9 Design control — primary reference U.S. Government activity |
| 5029-043-103 | 5/2 Secondary reference U.S. Government activity |
| J246 | 5/9 Secondary reference U.S. Government activity |
| J246 | 5/1 Secondary reference Sae International Dba Sae International |
| 5029209-043-103 | 5/2 Secondary reference U.S. Government activity |
| 225760 | 5/9 Secondary reference Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems |
NSN 4730-01-102-3704 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 4730-01-102-3704 has 2 manufacturer part numbers on file: 6-6-4 120401BA (Sae International Dba Sae International), 225760N (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-659-7942. Verify interchangeability with system specifications before substitution.
Key specifications for 6-6-4 120401BA: Furnished Items and Quantity: 3 TUBE COUPLING NUT W/SLEEVE; Connection Style: COMPRESSION (TUBE) ALL ENDS; Seat Nominal Radius: 0.062 INCHES ALL ENDS IN; Connection Type: THREADED EXTERNAL TUBE ALL ENDS. 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.