The Tee,tube, cataloged under National Stock Number 4730-01-581-0431, 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 Aerofit, Llc. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-581-0431 |
| Primary Part Number | AFP1718B121206 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Aerofit, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541 CLASS 11 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-A-8625 TYPE II CLASS 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Style Designator | TEE |
| Material Document and Classification | AMS 4141 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-QQ-A-367 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-QQ-A-225/9H ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4124 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.063 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 1.063 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES THIRD END IN |
| Leg Length | 1.586 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.586 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.460 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 1.063 INCHES SECOND END IN |
| Nominal Thread Size | 1.063 INCHES FIRST END IN |
| Nominal Thread Size | 0.750 INCHES THIRD END IN |
| Surface Treatment | CHROMATE AND ANODIZE OVERALL |
| Thread Class | 3A THIRD END A |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) SECOND END |
| Thread Series Designator | UNF THIRD END |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AFP1718B121206 PRIMARY | Aerofit, Llc (USA) |
NSN 4730-01-581-0431 is a Tee,tube, manufactured by Aerofit, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-581-0431 has 1 manufacturer part number on file: AFP1718B121206 (Aerofit, Llc).
Key specifications for AFP1718B121206: Surface Treatment Document and Classification: MIL-C-5541 CLASS 11 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-A-8625 TYPE II CLASS 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Connection Style: PLAIN (TUBE) ALL ENDS; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Style Designator: TEE. 22 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.
NSN 4730-01-581-0431 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.