The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-677-2560, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-677-2560 |
| Primary Part Number | 1655818PC14 |
| Item Name | Elbow,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Nominal Pipe Size Accommodated | 0.750 INCHES SECOND END IN |
| Surface Treatment Document and Classification | MIL-C-16232,TY Z,CL 4C MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Surface Treatment Document and Classification | MIL-C-16232,TY Z,CL 4C MIL SPEC SINGLE TREATMENT RESPONSE INSIDE |
| Connection Style | GASKET SEAL (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Seat Nominal Radius | 0.012 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Leg Length | 1.281 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.594 INCHES NOMINAL SECOND END IN |
| Reduced Passage Nominal Inside Diameter | 0.719 INCHES FIRST END IN |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 1.062 INCHES FIRST END IN |
| Surface Treatment | PHOSPHATE OUTSIDE |
| Surface Treatment | PHOSPHATE INSIDE |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 14 FIRST END |
| Material | STEEL COMP 1118 OVERALL |
| Thread Series Designator | UNS FIRST END |
| Thread Series Designator | NPT SECOND END |
| 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 |
|---|---|
| 1655818PC14 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 405-12-MF | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-677-2560 is a Elbow,pipe to Tube, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-677-2560 has 1 manufacturer part number on file: 1655818PC14 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1655818PC14: Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 0.750 INCHES SECOND END IN; Surface Treatment Document and Classification: MIL-C-16232,TY Z,CL 4C MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE; Surface Treatment Document and Classification: MIL-C-16232,TY Z,CL 4C MIL SPEC SINGLE TREATMENT RESPONSE INSIDE. 23 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.