The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-01-266-9666, 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 General Electric Company. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-266-9666 |
| Primary Part Number | 1281M86P01 |
| Item Name | Adapter,straight,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) FIRST END |
| Nominal Overall Length | 3.000 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Nominal Thread Size | 2.750 INCHES FIRST END IN |
| Nominal Outside Diameter | 3.255 INCHES SECOND END IN |
| Thread Class | 3A FIRST END A |
| Thread Quantity Per Inch | 16 FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 1281M86P01 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 1281M86 | D/9 Drawing number reference only General Electric Company |
| 1281M86P01 | 5/9 Secondary reference Moeller Mfg. Company, Llc Div Aircraft |
NSN 4730-01-266-9666 is a Adapter,straight,flange to Tube, manufactured by General Electric Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-266-9666 has 1 manufacturer part number on file: 1281M86P01 (General Electric Company).
Key specifications for 1281M86P01: Connection Style: PLAIN (TUBE) FIRST END; Nominal Overall Length: 3.000 INCHES IN; Connection Type: FLANGE SECOND END; Connection Type: THREADED EXTERNAL TUBE FIRST END. 9 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.