The Shaft,shouldered, cataloged under National Stock Number 3040-01-118-7500, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. 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. 2 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 | 3040-01-118-7500 |
| Primary Part Number | 753006 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES |
| Step Quantity | 5 |
| First End Diameter | 1.1810 INCHES MINIMUM AND 1.1813 INCHES MAXIMUM IN |
| Second End Diameter | 1.1240 INCHES MINIMUM AND 1.1245 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.400 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAY |
| Second End Keyway Width | 0.2485 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.184 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.153 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLAT KEYWAY |
| Material | STEEL COMP 303 |
| External Keyway Length | 1.810 INCHES NOMINAL FIRST END IN |
| External Keyway Length | 1.470 INCHES MINIMUM AND 1.500 INCHES MAXIMUM SECOND END IN |
| First End Keyway Width | 0.2485 INCHES MINIMUM AND 0.2505 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 |
|---|---|
| 753006 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 3040-01-118-7500 is a Shaft,shouldered, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-118-7500 has 1 manufacturer part number on file: 753006 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5915-01-223-3474, 5915-01-361-7696. Verify interchangeability with system specifications before substitution.
Key specifications for 753006: Surface Finish: 16.0 MICROINCHES; Step Quantity: 5; First End Diameter: 1.1810 INCHES MINIMUM AND 1.1813 INCHES MAXIMUM IN; Second End Diameter: 1.1240 INCHES MINIMUM AND 1.1245 INCHES MAXIMUM 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.