The Tee,pipe to Tube to Boss, cataloged under National Stock Number 4730-00-503-0813, 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 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-503-0813 |
| Primary Part Number | 3502-12-NW0 |
| Item Name | Tee,pipe to Tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Air-Way Manufacturing Company |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 BULKHEAD NUT AND 1 PREFORMED PACKING |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END |
| Connection Style | SWIVEL NUT W/ COMPRESSION SLEEVE (TUBE) THIRD END |
| Connection Type | THREADED EXTERNAL BOSS THIRD END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES THIRD END IN |
| Leg Length | 1.312 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.178 INCHES NOMINAL THIRD END IN |
| Leg Length | 2.047 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.062 INCHES THIRD END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Nominal Thread Size | 1.062 INCHES SECOND END IN |
| Seat Angle | 37.0 DEGREES THIRD END |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A CENTER BULKHEAD A |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 12 THIRD END |
| Material | STEEL OVERALL |
| Thread Series Designator | UN SECOND END |
| Thread Series Designator | NPT FIRST END |
| Thread Series Designator | UN THIRD 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 |
|---|---|
| 3502-12-NW0 PRIMARY | Air-Way Manufacturing Company (USA) |
| L53012 | Air-Way Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| L53012 | 5/9 Secondary reference Cnh Industrial America Llc Dba Cnh America |
NSN 4730-00-503-0813 is a Tee,pipe to Tube to Boss, manufactured by Air-Way Manufacturing Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-503-0813 has 2 manufacturer part numbers on file: 3502-12-NW0 (Air-Way Manufacturing Company), L53012 (Air-Way Manufacturing Company).
Key specifications for 3502-12-NW0: Furnished Items and Quantity: 1 BULKHEAD NUT AND 1 PREFORMED PACKING; Connection Style: PLAIN (PIPE) FIRST END; Connection Style: DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END; Connection Style: SWIVEL NUT W/ COMPRESSION SLEEVE (TUBE) THIRD END. 24 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.