The Shaft,shouldered, cataloged under National Stock Number 3040-01-153-2694, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-153-2694 |
| Primary Part Number | 20474-1050 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| Status | ACTIVE |
| Second End Hole Diameter | 0.2550 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 0.5000 INCHES NOMINAL IN |
| Second End Diameter | 0.5600 INCHES NOMINAL IN |
| Second End Step Length | 0.875 INCHES NOMINAL IN |
| Largest Step Diameter | 0.560 INCHES NOMINAL IN |
| First End Slot Width | 0.210 INCHES NOMINAL IN |
| First End Style | SLOTTED |
| Second End Distance From Hole Center to End | 0.250 INCHES NOMINAL IN |
| Second End Hole Depth | 0.247 INCHES NOMINAL IN |
| Second End Tongue Width | 0.500 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Tongue Thickness | 0.247 INCHES NOMINAL IN |
| First End Slot Depth | 0.250 INCHES NOMINAL IN |
| Second End Style | TONGUE AND CROSS DRILLED HOLE |
| 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 |
|---|---|
| 20474-1050 PRIMARY | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 20474-1050-1 | C/1 Advisory reference — outside the item-of-supply concept Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
NSN 3040-01-153-2694 is a Shaft,shouldered, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-153-2694 has 1 manufacturer part number on file: 20474-1050 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
Key specifications for 20474-1050: Second End Hole Diameter: 0.2550 INCHES NOMINAL IN; Step Quantity: 3; First End Diameter: 0.5000 INCHES NOMINAL IN; Second End Diameter: 0.5600 INCHES NOMINAL IN. 16 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.