The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-01-445-2166, 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 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-445-2166 |
| Primary Part Number | 68A552082-1001 |
| Item Name | Adapter,straight,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Nominal Pipe Size Accommodated | 2.500 INCHES FIRST END IN |
| Connection Style | BELL (PIPE) FIRST END |
| Nominal Overall Length | 5.510 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | FLANGE SECOND END |
| Bolt Hole Quantity | 6 SECOND END |
| Material | ALUMINUM ALLOY OVERALL |
| 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 |
|---|---|
| 68A552082-1001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 68A552082 | D/9 Drawing number reference only The Boeing Company Div Defense |
| 68A552082-5001 | 5/9 Secondary reference The Boeing Company Div Defense |
| 68A552082-1001 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-445-2166 is a Adapter,straight,flange to Pipe, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-445-2166 has 1 manufacturer part number on file: 68A552082-1001 (The Boeing Company Div Defense).
Key specifications for 68A552082-1001: Flange Shape: ROUND WITH HOLES SECOND END; Nominal Pipe Size Accommodated: 2.500 INCHES FIRST END IN; Connection Style: BELL (PIPE) FIRST END; Nominal Overall Length: 5.510 INCHES IN. 8 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.