The Extension Shaft, cataloged under National Stock Number 3040-01-122-3105, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Aimtron Systems, Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-122-3105 |
| Primary Part Number | 503589 |
| Item Name | Extension Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Aimtron Systems, Llc |
| Status | ACTIVE |
| Socket Diameter | 0.189 INCHES NOMINAL IN |
| Length | 1.030 INCHES NOMINAL IN |
| Socket Depth | 0.438 INCHES NOMINAL IN |
| Style Designator | PLAIN SOCKET |
| Material Document and Classification | QQ-S-763 COND.A FED SPEC ALL MATERIAL RESPONSES |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Shaft End Design | MALE |
| Shaft End Diameter | 0.248 INCHES NOMINAL IN |
| Material | STEEL COMP 303 |
| Shoulder Length | 0.593 INCHES NOMINAL IN |
| End Type | PROCESSED END |
| Shaft End Configuration | FLATTED ROUND |
| 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 |
|---|---|
| 503589 PRIMARY | Aimtron Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 503589 | 5/9 Secondary reference Cardion Inc |
NSN 3040-01-122-3105 is a Extension Shaft, manufactured by Aimtron Systems, Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-122-3105 has 1 manufacturer part number on file: 503589 (Aimtron Systems, Llc).
Key specifications for 503589: Socket Diameter: 0.189 INCHES NOMINAL IN; Length: 1.030 INCHES NOMINAL IN; Socket Depth: 0.438 INCHES NOMINAL IN; Style Designator: PLAIN SOCKET. 12 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.