The Shaft,shouldered, cataloged under National Stock Number 3040-01-108-5348, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-108-5348 |
| Primary Part Number | 12299388 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Step Quantity | 7 |
| First End Diameter | 0.7480 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| First End Distance From Keyway Center to End | 0.544 INCHES MINIMUM AND 0.549 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.993 INCHES MINIMUM AND 0.996 INCHES MAXIMUM IN |
| First End Style | WOODRUFF KEYWAY |
| End Similarity | IDENTICAL |
| Material | ALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5086 |
| External Keyway Length | 0.312 INCHES MINIMUM AND 0.344 INCHES MAXIMUM FIRST END IN |
| First End Keyway Width | 0.0928 INCHES MINIMUM AND 0.0943 INCHES MAXIMUM 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 |
|---|---|
| 12299388 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 10085846 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 1229388 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3040-01-108-5348 is a Shaft,shouldered, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-108-5348 has 1 manufacturer part number on file: 12299388 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12299388: Step Quantity: 7; First End Diameter: 0.7480 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN; First End Distance From Keyway Center to End: 0.544 INCHES MINIMUM AND 0.549 INCHES MAXIMUM IN; Largest Step Diameter: 0.993 INCHES MINIMUM AND 0.996 INCHES MAXIMUM IN. 9 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.