The Shaft,shouldered, cataloged under National Stock Number 3040-01-215-9674, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Alliant Techsystems Operations Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-215-9674 |
| Primary Part Number | 387-3577 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Alliant Techsystems Operations Llc |
| Status | ACTIVE |
| Second End External Thread Length | 7.0 MILLIMETERS NOMINAL MM |
| Step Quantity | 3 |
| First End Diameter | 24.09 MILLIMETERS NOMINAL MM |
| Second End Diameter | 24.09 MILLIMETERS NOMINAL MM |
| Largest Step Diameter | 29.578 MILLIMETERS NOMINAL MM |
| First End Style | PLAIN |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL COMP 4340 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 387-3577 PRIMARY | Alliant Techsystems Operations Llc (USA) |
| Reference | Meaning |
|---|---|
| 387-3577 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 387-3577 | 7/2 Vendor item drawing reference The Boeing Company |
| 387-3577 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corp Div Weapon System |
NSN 3040-01-215-9674 is a Shaft,shouldered, manufactured by Alliant Techsystems Operations Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-215-9674 has 1 manufacturer part number on file: 387-3577 (Alliant Techsystems Operations Llc).
Key specifications for 387-3577: Second End External Thread Length: 7.0 MILLIMETERS NOMINAL MM; Step Quantity: 3; First End Diameter: 24.09 MILLIMETERS NOMINAL MM; Second End Diameter: 24.09 MILLIMETERS NOMINAL MM. 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.
NSN 3040-01-215-9674 has DEMIL Code Q. 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.