The Elbow,pipe to Tube, cataloged under National Stock Number 4730-01-304-7537, 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 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-304-7537 |
| Primary Part Number | 2501-12-16 |
| Item Name | Elbow,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Air-Way Manufacturing Company |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Leg Length | 1.656 INCHES NOMINAL FIRST END IN |
| Leg Length | 4.047 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 1.000 INCHES SECOND END IN |
| Nominal Thread Size | 1.063 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Specification/standard Data | 81343-J514 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 4C FIGURE |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | NPT 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 |
|---|---|
| 12-16 CCCBTX-S | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 12-16 071602CA | Sae International Dba Sae International (USA) |
| 2501-12-16 PRIMARY | Air-Way Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| J514 | 5/9 Secondary reference U.S. Government activity |
| J514 | 5/1 Secondary reference Sae International Dba Sae International |
| 12-16 CCCBTX-S | 5/9 Secondary reference U.S. Government activity |
| 12-16 071602CA | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-304-7537 is a Elbow,pipe to Tube, manufactured by Air-Way Manufacturing Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-304-7537 has 3 manufacturer part numbers on file: 12-16 CCCBTX-S (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 12-16 071602CA (Sae International Dba Sae International), 2501-12-16 (Air-Way Manufacturing Company).
Key specifications for 2501-12-16: Flow Angle: 90.0 DEGREES; Connection Style: FLARED (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Connection Type: THREADED EXTERNAL PIPE SECOND END. 18 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.