The Shaft,shouldered, cataloged under National Stock Number 3040-01-244-9750, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Shiloh Industries Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-244-9750 |
| Primary Part Number | SM-D-773952 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Shiloh Industries Inc |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES |
| Step Quantity | 7 |
| First End Diameter | 0.2757 INCHES NOMINAL IN |
| Second End Diameter | 0.2757 INCHES NOMINAL IN |
| Largest Step Diameter | 0.437 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAYS AND INTERNALLY THREADED |
| Second End Keyway Width | 0.0615 INCHES NOMINAL IN |
| First End Internal Thread Length | 0.2700 INCHES NOMINAL IN |
| Material Document and Classification | AISI 8620 LEADED, COND COLD DRAWN ASSN STD SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.0400 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.0400 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLAT KEYWAYS AND INTERNALLY THREADED |
| Material | STEEL COMP 8620 |
| Second End Internal Thread Length | 0.2700 INCHES NOMINAL IN |
| External Keyway Length | 0.3500 INCHES NOMINAL FIRST END IN |
| External Keyway Length | 0.4300 INCHES NOMINAL SECOND END IN |
| First End Keyway Width | 0.0615 INCHES NOMINAL 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 |
|---|---|
| SM-D-773952 | Shiloh Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 8094002 | 5/9 Secondary reference Brooks Automation, Inc. Div Cti Cryogenics |
| SM-D-773952 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-244-9750 is a Shaft,shouldered, manufactured by Shiloh Industries Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-244-9750 has 1 manufacturer part number on file: SM-D-773952 (Shiloh Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-433-2972. Verify interchangeability with system specifications before substitution.
Key specifications for SM-D-773952: Surface Finish: 16.0 MICROINCHES; Step Quantity: 7; First End Diameter: 0.2757 INCHES NOMINAL IN; Second End Diameter: 0.2757 INCHES NOMINAL IN. 18 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.