The Flange,tube, cataloged under National Stock Number 4730-00-258-3661, 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 The Boeing Company Div Defense. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-258-3661 |
| Primary Part Number | 68A580646-2001 |
| Item Name | Flange,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY PER QQ-A-225/8,6061-T651,ANODIZED,4.250 IN. OD OF FLANGE,0.156 IN. THK,FOUR 0.281 IN. DIA MTG HOLES EQUALLY SPACED ON 2.800 IN. BOLT CIRCLE,1.920 IN. ID,2.000 IN. OD,0.660 IN. O/A LG OF BODY IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 68A580646-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 68A580646-2003 | The Boeing Company Div Defense (USA) |
NSN 4730-00-258-3661 is a Flange,tube, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-258-3661 has 2 manufacturer part numbers on file: 68A580646-2001 (The Boeing Company Div Defense), 68A580646-2003 (The Boeing Company Div Defense).
Key specifications for 68A580646-2001: General Characteristics Item Description: ALUMINUM ALLOY PER QQ-A-225/8,6061-T651,ANODIZED,4.250 IN. OD OF FLANGE,0.156 IN. THK,FOUR 0.281 IN. DIA MTG HOLES EQUALLY SPACED ON 2.800 IN. BOLT CIRCLE,1.920 IN. ID,2.000 IN. OD,0.660 IN. O/A LG OF BODY IN; End Item Identification: AIRCRAFT MODEL NO. F-15. 1 specification is 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 4730-00-258-3661 has DEMIL Code Q. 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.