The Bend,pipe,return, cataloged under National Stock Number 4730-01-102-5805, 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 Oshkosh Defense Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-102-5805 |
| Primary Part Number | 66689CX |
| Item Name | Bend,pipe,return |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 2.750 INCHES SECOND END IN |
| Connection Style | SOCKET (PIPE) SECOND END |
| Connection Type | UNTHREADED INTERNAL PIPE SECOND END |
| Leg Length | 5.000 INCHES NOMINAL SECOND END IN |
| Leg Length | 4.630 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.300 INCHES FIRST END IN |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT FIRST END |
| Bend Center to Center Nominal Distance | 0.180 INCHES IN |
| 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 |
|---|---|
| 66689CX PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 66689CX | 5/9 Secondary reference Oshkosh Corp |
| 66689C | 5/9 Secondary reference Oshkosh Corp |
| 66689C-RH | 5/9 Secondary reference Oshkosh Corp |
NSN 4730-01-102-5805 is a Bend,pipe,return, manufactured by Oshkosh Defense Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-102-5805 has 1 manufacturer part number on file: 66689CX (Oshkosh Defense Llc).
Key specifications for 66689CX: Nominal Pipe Size Accommodated: 2.750 INCHES SECOND END IN; Connection Style: SOCKET (PIPE) SECOND END; Connection Type: UNTHREADED INTERNAL PIPE SECOND END; Leg Length: 5.000 INCHES NOMINAL SECOND END IN. 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.