The Shaft,piston,block,subassembly, cataloged under National Stock Number 3040-00-074-9734, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Shaft,piston,block,subassembly |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Eaton Aerospace, Llc Dba Jackson South (CAGE 62983) |
| Parameter | Value |
|---|---|
| NSN | 3040-00-074-9734 |
| Primary Part Number | 260656 |
| Item Name | Shaft,piston,block,subassembly |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 260656 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 3040-00-074-9734 is a Shaft,piston,block,subassembly, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-074-9734 has 1 manufacturer part number on file: 260656 (Eaton Aerospace, Llc Dba Jackson South).
3 possible matches (shared part number, not a government interchangeability claim): 6625-01-156-8636, 6640-01-294-3300, 5340-01-557-0419. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 3040-00-074-9734 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.