The Shaft,shouldered, cataloged under National Stock Number 3040-00-727-3837, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Johnson Controls Navy Systems, Llc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-727-3837 |
| Primary Part Number | 64-12173D3 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| FSC Application Data | COMPRESSOR,RECIPROCATING,POWER DRIVEN |
| Step Quantity | 6 |
| First End Diameter | 1.3760 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.562 INCHES NOMINAL IN |
| First End External Thread Length | 1.000 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Material Document and Classification | MIL-S-20137 MIL SPEC ALL MATERIAL RESPONSES |
| End Similarity | IDENTICAL |
| Material | STEEL |
| 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 |
|---|---|
| 064-12173D003 | Johnson Controls Navy Systems, Llc (USA) |
| 64-12173D3 PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
| 64-9930PC71 | Johnson Controls Navy Systems, Llc (USA) |
| 64-5581PL | Johnson Controls Navy Systems, Llc (USA) |
NSN 3040-00-727-3837 is a Shaft,shouldered, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-727-3837 has 4 manufacturer part numbers on file: 064-12173D003 (Johnson Controls Navy Systems, Llc), 64-12173D3 (Johnson Controls Navy Systems, Llc), 64-9930PC71 (Johnson Controls Navy Systems, Llc), 64-5581PL (Johnson Controls Navy Systems, Llc).
Key specifications for 64-12173D3: FSC Application Data: COMPRESSOR,RECIPROCATING,POWER DRIVEN; Step Quantity: 6; First End Diameter: 1.3760 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN; Largest Step Diameter: 0.562 INCHES NOMINAL 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.