The Shaft,shouldered, cataloged under National Stock Number 3040-01-312-5068, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-312-5068 |
| Primary Part Number | 7037666P002 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Second End Hole Diameter | 0.1280 INCHES NOMINAL IN |
| Second End External Thread Length | 1.430 INCHES NOMINAL IN |
| Step Quantity | 2 |
| First End Diameter | 0.3100 INCHES NOMINAL IN |
| Second End Diameter | 0.3750 INCHES NOMINAL IN |
| Second End Step Length | 1.430 INCHES NOMINAL IN |
| Largest Step Diameter | 0.375 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Material Document and Classification | ASTM A582,TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 0.156 INCHES NOMINAL IN |
| Second End Tongue Width | 0.375 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Tongue Thickness | 0.312 INCHES NOMINAL IN |
| First End Hole Diameter | 0.1280 INCHES NOMINAL IN |
| Second End Style | TONGUE ROUNDED ENDS |
| Material | STEEL COMP 303 |
| First End Distance From Hole Center to End | 0.130 INCHES NOMINAL 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 |
|---|---|
| 7037666P002 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 7037666 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rms |
NSN 3040-01-312-5068 is a Shaft,shouldered, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-312-5068 has 1 manufacturer part number on file: 7037666P002 (Lockheed Martin Corporation Div Rms).
Key specifications for 7037666P002: Second End Hole Diameter: 0.1280 INCHES NOMINAL IN; Second End External Thread Length: 1.430 INCHES NOMINAL IN; Step Quantity: 2; First End Diameter: 0.3100 INCHES NOMINAL IN. 17 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.