The Shaft,shouldered, cataloged under National Stock Number 3040-00-306-6679, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-306-6679 |
| Primary Part Number | 31708P5 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| FSC Application Data | ACFT ENG R1830 |
| Step Quantity | 5 |
| First End Diameter | 0.8650 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN |
| Second End Diameter | 1.2655 INCHES MINIMUM AND 1.2660 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.2655 INCHES MINIMUM AND 1.2660 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Material Document and Classification | AMS 6328 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | PLAIN |
| 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 |
|---|---|
| 31708P5 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 31708P5 | 5/9 Secondary reference Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
NSN 3040-00-306-6679 is a Shaft,shouldered, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-306-6679 has 1 manufacturer part number on file: 31708P5 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 31708P5: FSC Application Data: ACFT ENG R1830; Step Quantity: 5; First End Diameter: 0.8650 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN; Second End Diameter: 1.2655 INCHES MINIMUM AND 1.2660 INCHES MAXIMUM IN. 10 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.