The Tee,tube, cataloged under National Stock Number 4730-01-412-1135, 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 Air-Way Manufacturing Company. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-412-1135 |
| Primary Part Number | 2703-LN-12X12X12 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Air-Way Manufacturing Company |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES ALL ENDS IN |
| Leg Length | 1.780 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.780 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.670 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 1.062 INCHES THIRD END BULKHEAD IN |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Thread Class | 2A ALL ENDS A |
| Thread Class | 12 THIRD END BULKHEAD |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Thread Quantity Per Inch | 12 THIRD END BULKHEAD |
| Material | STEEL OVERALL |
| Thread Series Designator | UN ALL ENDS |
| Thread Series Designator | UN THIRD END BULKHEAD |
| 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 |
|---|---|
| 2703-LN-12X12X12 | Atlas Hydraulics Divstarcan Corp (CAN) |
| 2703-LN-12X12X12 PRIMARY | Air-Way Manufacturing Company (USA) |
NSN 4730-01-412-1135 is a Tee,tube, manufactured by Air-Way Manufacturing Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-412-1135 has 2 manufacturer part numbers on file: 2703-LN-12X12X12 (Atlas Hydraulics Divstarcan Corp), 2703-LN-12X12X12 (Air-Way Manufacturing Company).
Key specifications for 2703-LN-12X12X12: Connection Style: FLARED (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.750 INCHES ALL ENDS IN; Leg Length: 1.780 INCHES NOMINAL SECOND END IN. 16 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.