The Tee,pipe, cataloged under National Stock Number 4730-01-475-9685, 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 10 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-475-9685 |
| Primary Part Number | F6403-16-16-16 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Air-Way Manufacturing Company |
| Status | ACTIVE |
| Surface Treatment Document and Classification | TM B633, TY 2, CLASS FE/SN12, COLOR OLIVE DRAB ASSN STD ALL TREATMENT RESPONSES OVERALL |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Nominal Thread Size | 1.3125 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | STEEL 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 |
|---|---|
| 12421980 | Amz Alabama Inc. (USA) |
| 12421980 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| F6403-16-16-16 PRIMARY | Air-Way Manufacturing Company (USA) |
| F6403-16-16-16 | D. W. Industries, Inc. Dba Dw Ind (USA) |
| Reference | Meaning |
|---|---|
| 12421980 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4730-01-475-9685 is a Tee,pipe, manufactured by Air-Way Manufacturing Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-475-9685 has 4 manufacturer part numbers on file: 12421980 (Amz Alabama Inc.), 12421980 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), F6403-16-16-16 (Air-Way Manufacturing Company), F6403-16-16-16 (D. W. Industries, Inc. Dba Dw Ind).
Key specifications for F6403-16-16-16: Surface Treatment Document and Classification: TM B633, TY 2, CLASS FE/SN12, COLOR OLIVE DRAB ASSN STD ALL TREATMENT RESPONSES OVERALL; Connection Style: FLARED (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Nominal Thread Size: 1.3125 INCHES ALL ENDS IN. 10 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.