The Shaft Assembly,flexible, cataloged under National Stock Number 1680-00-346-4113, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-346-4113 |
| Primary Part Number | B2-97315-53 |
| Item Name | Shaft Assembly,flexible |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| FSC Application Data | MISCELLANEOUS ACFT ACCESSORIES AND COMPONENTS |
| Width Across Flats | 0.938 INCHES NOMINAL SECOND END IN |
| Width Across Flats | 1.000 INCHES NOMINAL FIRST END IN |
| Flange Thickness | 0.093 INCHES NOMINAL FIRST END IN |
| Cross Section Size and Location | 0.155 INCHES NOMINAL DIAMETER BOTH ENDS IN |
| End Overall Diameter | 1.125 INCHES NOMINAL FIRST END IN |
| End Overall Diameter | 1.062 INCHES NOMINAL SECOND END IN |
| Thread Length | 0.375 INCHES MAXIMUM FIRST END IN |
| Thread Length | 0.250 INCHES MINIMUM SECOND END IN |
| End Connection Type | THREADED EXTERNAL FIRST END |
| End Connection Type | UNION FERRULE SECOND END |
| Thread Location | EXTERNAL BOTH ENDS |
| Core Diameter | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Casing Length Between Ferrules | 22.750 INCHES NOMINAL IN |
| Core Rotation Direction | COUNTERCLOCKWISE |
| Shank Outside Diameter | 0.563 INCHES NOMINAL BOTH ENDS IN |
| Core Removability | REMOVABLE |
| Core Overall Length | 27.000 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNF BOTH ENDS |
| Surface Treatment | CADMIUM CASING |
| Thread Class | 3 FIRST END |
| Thread Class | 3 SECOND END |
| Wrenching Facility Type | HEXAGON BOTH ENDS |
| Material | STEEL CORE |
| Material | COPPER ALLOY 511 CASING |
| Casing Outside Diameter | 0.490 INCHES NOMINAL IN |
| End Type | SQUARE FEMALE BOTH ENDS |
| Tip Length | 0.125 INCHES NOMINAL BOTH ENDS 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 |
|---|---|
| B2-17315-53 | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| B17315-53 | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| B2-97315-53 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
NSN 1680-00-346-4113 is a Shaft Assembly,flexible, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-346-4113 has 3 manufacturer part numbers on file: B2-17315-53 (Curtiss-Wright Controls, Inc. Div Actuation Division), B17315-53 (Curtiss-Wright Controls, Inc. Div Actuation Division), B2-97315-53 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for B2-97315-53: FSC Application Data: MISCELLANEOUS ACFT ACCESSORIES AND COMPONENTS; Width Across Flats: 0.938 INCHES NOMINAL SECOND END IN; Width Across Flats: 1.000 INCHES NOMINAL FIRST END IN; Flange Thickness: 0.093 INCHES NOMINAL FIRST END IN. 29 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.