The Shaft,shouldered, cataloged under National Stock Number 3040-01-385-3791, 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 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-385-3791 |
| Primary Part Number | 52000-1080 |
| 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 External Thread Length | 0.2500 INCHES NOMINAL IN |
| Step Quantity | 5 |
| First End Diameter | 0.2500 INCHES NOMINAL IN |
| Second End Diameter | 0.1120 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.2500 INCHES NOMINAL IN |
| First End Slot Width | 0.0600 INCHES NOMINAL IN |
| First End Style | SLOTTED |
| End Similarity | NOT IDENTICAL |
| First End Slot Depth | 0.0700 INCHES NOMINAL IN |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL COMP 420 |
| 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 |
|---|---|
| 52000-1080 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 8-52N-653 | 3/9 Design control — primary reference Illinois Tool Wks Inc Linac Div |
| 8-52N-086 ITEM 1 | 5/9 Secondary reference Illinois Tool Wks Inc Linac Div |
NSN 3040-01-385-3791 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 3040-01-385-3791 has 1 manufacturer part number on file: 52000-1080 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
Key specifications for 52000-1080: Second End External Thread Length: 0.2500 INCHES NOMINAL IN; Step Quantity: 5; First End Diameter: 0.2500 INCHES NOMINAL IN; Second End Diameter: 0.1120 INCHES MAXIMUM IN. 11 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.