The Shaft Assembly,flexible, cataloged under National Stock Number 6680-00-528-7714, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6680-00-528-7714 |
| Primary Part Number | 3247328 |
| Item Name | Shaft Assembly,flexible |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| FSC Application Data | TACHOMETER,MECHANICAL,FIXED MTG |
| Cross Section Size and Location | 0.200 INCHES NOMINAL ACROSS FLATS SECOND END IN |
| Cross Section Size and Location | 0.500 INCHES NOMINAL DIAMETER FIRST END IN |
| End Overall Diameter | 1.000 INCHES NOMINAL BOTH ENDS IN |
| End Connection Type | UNION FERRULE BOTH ENDS |
| Thread Depth | 0.438 INCHES NOMINAL BOTH ENDS IN |
| Thread Location | INTERNAL BOTH ENDS |
| Core Diameter | 0.156 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Casing Length Between Ferrules | 35.125 INCHES NOMINAL IN |
| Core Rotation Direction | COUNTERCLOCKWISE |
| Core Removability | REMOVABLE |
| Core Overall Length | 36.750 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNF BOTH ENDS |
| Surface Treatment | ZINC CASING |
| Protective Coating Method | COATED CASING |
| Thread Class | 2B FIRST END |
| Thread Class | 2B SECOND END |
| Material | STEEL CORE |
| Material | STEEL CASING |
| Casing Outside Diameter | 0.313 INCHES NOMINAL IN |
| Minimum Operating Radius | 5.000 INCHES IN |
| Machined Feature Size | 1/4 IN. BY 1/4 IN. DEEP SLOT IN |
| End Type | ROUND KEYED SECOND END |
| End Type | ROUND, SLOTTED EXTERNAL FIRST END |
| Tip Length | 0.375 INCHES NOMINAL FIRST END IN |
| Tip Length | 1.125 INCHES NOMINAL SECOND END 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 |
|---|---|
| 3247328 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3247328 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 6680-00-528-7714 is a Shaft Assembly,flexible, manufactured by Hatch & Kirk, Inc., classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-528-7714 has 1 manufacturer part number on file: 3247328 (Hatch & Kirk, Inc.).
Key specifications for 3247328: FSC Application Data: TACHOMETER,MECHANICAL,FIXED MTG; Cross Section Size and Location: 0.200 INCHES NOMINAL ACROSS FLATS SECOND END IN; Cross Section Size and Location: 0.500 INCHES NOMINAL DIAMETER FIRST END IN; End Overall Diameter: 1.000 INCHES NOMINAL BOTH ENDS IN. 27 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.