The Shaft Assembly,flexible, cataloged under National Stock Number 3040-01-385-9050, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Syn-Tech System, Inc.. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-385-9050 |
| Primary Part Number | 912S0116-1 |
| Item Name | Shaft Assembly,flexible |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Syn-Tech System, Inc. |
| Status | ACTIVE |
| Spline Type | INVOLUTE BOTH ENDS |
| End Overall Diameter | 1.120 INCHES MINIMUM AND 1.125 INCHES MAXIMUM BOTH ENDS IN |
| Spline Length | 1.000 INCHES NOMINAL SECOND END IN |
| Spline Length | 1.000 INCHES NOMINAL FIRST END IN |
| Pitch Diameter | 0.718 INCHES NOMINAL SECOND END IN |
| Pitch Diameter | 0.708 INCHES NOMINAL FIRST END IN |
| Spline Major Diameter | 0.769 INCHES NOMINAL FIRST END IN |
| Spline Major Diameter | 0.787 INCHES NOMINAL SECOND END IN |
| Spline Pressure Angle in Deg | 30.0 BOTH ENDS |
| Spline Quantity | 17 FIRST END |
| Spline Quantity | 23 SECOND END |
| Casing Length Between Ferrules | 9.500 INCHES NOMINAL IN |
| Minor Diameter | UNABLE TO DECODE |
| Casing Outside Diameter | 0.625 INCHES NOMINAL IN |
| End Type | ROUND, INTERNAL SPLINED BOTH ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| S26497-801 | B.w. Elliott Manufacturing Co., Llc (USA) |
| 26497-801 | B.w. Elliott Manufacturing Co., Llc (USA) |
| 912S0116-1 PRIMARY | Syn-Tech System, Inc. (USA) |
| 26497-801 PRIMARY | Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines (USA) |
| Reference | Meaning |
|---|---|
| 912S0116 | 7/1 Vendor item drawing reference Syn-Tech System, Inc. |
| S26497 | D/9 Drawing number reference only Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines |
NSN 3040-01-385-9050 is a Shaft Assembly,flexible, manufactured by Syn-Tech System, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-385-9050 has 4 manufacturer part numbers on file: S26497-801 (B.w. Elliott Manufacturing Co., Llc), 26497-801 (B.w. Elliott Manufacturing Co., Llc), 912S0116-1 (Syn-Tech System, Inc.), 26497-801 (Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines).
Key specifications for 912S0116-1: Spline Type: INVOLUTE BOTH ENDS; End Overall Diameter: 1.120 INCHES MINIMUM AND 1.125 INCHES MAXIMUM BOTH ENDS IN; Spline Length: 1.000 INCHES NOMINAL SECOND END IN; Spline Length: 1.000 INCHES NOMINAL FIRST END IN. 15 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.
NSN 3040-01-385-9050 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.