The Shaft Assembly,flexible, cataloged under National Stock Number 6680-00-403-7874, 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 Schulze Mfg., 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-403-7874 |
| Primary Part Number | 6520V111-104 |
| Item Name | Shaft Assembly,flexible |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Schulze Mfg., Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.938 INCHES NOMINAL FIRST END IN |
| Cross Section Size and Location | 0.187 INCHES NOMINAL ACROSS FLATS FIRST END IN |
| Cross Section Size and Location | 0.187 INCHES NOMINAL DIAMETER SECOND END IN |
| Casing Protective Device Type | PLASTIC COVER |
| End Overall Diameter | 0.938 INCHES NOMINAL BOTH ENDS IN |
| End Connection Type | THREADED INTERNAL BOTH ENDS |
| Thread Depth | 0.440 INCHES NOMINAL BOTH ENDS IN |
| Thread Location | INTERNAL BOTH ENDS |
| Core Diameter | 0.150 INCHES NOMINAL IN |
| Features Provided | SWIVEL END BOTH ENDS |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Casing Length Between Ferrules | 104.000 INCHES NOMINAL IN |
| Core Rotation Direction | CLOCKWISE |
| Shank Outside Diameter | 0.500 INCHES NOMINAL BOTH ENDS IN |
| Core Removability | NONREMOVABLE |
| Core Overall Length | 105.500 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNS BOTH ENDS |
| Wrenching Facility Outside Diameter | 0.938 INCHES NOMINAL SECOND END IN |
| Thread Class | 2B BOTH ENDS |
| Wrenching Facility Type | HEXAGON FIRST END |
| Wrenching Facility Type | KNURLED SURFACE SECOND END |
| Material | STEEL CORE |
| Material | STEEL CASING |
| Casing Outside Diameter | 0.455 INCHES NOMINAL IN |
| End Type | ROUND KEYED SECOND END |
| End Type | SQUARE FEMALE FIRST END |
| Tip Length | 0.430 INCHES NOMINAL FIRST 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 |
|---|---|
| 6520V111-104 PRIMARY | Schulze Mfg., Inc. (USA) |
| Reference | Meaning |
|---|---|
| VX1166 | 5/9 Secondary reference American Standard Inc Westinghouse Air Brake Co Div |
| 6520V111-104 | 5/9 Secondary reference Jones Instrument Corp |
NSN 6680-00-403-7874 is a Shaft Assembly,flexible, manufactured by Schulze Mfg., Inc., classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-403-7874 has 1 manufacturer part number on file: 6520V111-104 (Schulze Mfg., Inc.).
Key specifications for 6520V111-104: Width Across Flats: 0.938 INCHES NOMINAL FIRST END IN; Cross Section Size and Location: 0.187 INCHES NOMINAL ACROSS FLATS FIRST END IN; Cross Section Size and Location: 0.187 INCHES NOMINAL DIAMETER SECOND END IN; Casing Protective Device Type: PLASTIC COVER. 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.