The Shaft,shouldered, cataloged under National Stock Number 3040-01-127-5161, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is American Turbo Systems Inc. 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. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-127-5161 |
| Primary Part Number | 100603 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | American Turbo Systems Inc |
| Status | ACTIVE |
| Step Quantity | 2 |
| First End Diameter | 0.1860 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN |
| Second End Diameter | 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| First End Style | THREADED CROSS DRILLED (THRU HOLE) |
| Second End Distance From Hole Center to End | 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | THREADED CROSS DRILLED (THRU HOLE) |
| Material | STEEL COMP 304 |
| First End Distance From Hole Center to End | 1.528 INCHES MINIMUM AND 1.538 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 |
|---|---|
| 100603 PRIMARY | American Turbo Systems Inc (USA) |
NSN 3040-01-127-5161 is a Shaft,shouldered, manufactured by American Turbo Systems Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-127-5161 has 1 manufacturer part number on file: 100603 (American Turbo Systems Inc).
4 possible matches (shared part number, not a government interchangeability claim): 5331-01-153-9121, 5360-01-172-8785, 4140-01-426-1335. Verify interchangeability with system specifications before substitution.
Key specifications for 100603: Step Quantity: 2; First End Diameter: 0.1860 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN; Second End Diameter: 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; Largest Step Diameter: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. 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.