The Shaft,straight, cataloged under National Stock Number 3040-01-209-3840, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Thomas Instrument, Incorporated. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-209-3840 |
| Primary Part Number | NF203077-1 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Thomas Instrument, Incorporated |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| First End Diameter | 0.6686 INCHES MINIMUM AND 0.6690 INCHES MAXIMUM IN |
| Second End Diameter | 0.6686 INCHES MINIMUM AND 0.6690 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Material Document and Classification | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Slot Depth | 0.200 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Slot Width | 0.100 INCHES NOMINAL IN |
| Second End Style | SLOTTED |
| Material | STEEL COMP 4340 |
| 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 |
|---|---|
| NF203077-1 PRIMARY | Thomas Instrument, Incorporated (USA) |
| Reference | Meaning |
|---|---|
| NF203077-1 | 5/9 Secondary reference Speco Corp |
NSN 3040-01-209-3840 is a Shaft,straight, manufactured by Thomas Instrument, Incorporated, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-209-3840 has 1 manufacturer part number on file: NF203077-1 (Thomas Instrument, Incorporated).
Key specifications for NF203077-1: Surface Finish: 125.0 MICROINCHES; First End Diameter: 0.6686 INCHES MINIMUM AND 0.6690 INCHES MAXIMUM IN; Second End Diameter: 0.6686 INCHES MINIMUM AND 0.6690 INCHES MAXIMUM IN; First End Style: PLAIN. 10 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.