The Extension Shaft, cataloged under National Stock Number 3040-01-485-5129, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-485-5129 |
| Primary Part Number | 556-7106779-67 |
| Item Name | Extension Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shaft End Design | FEMALE |
| Material | STEEL COMP 304 |
| End Type | PROCESSED END |
| Shaft End Configuration | ROUND |
| 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 |
|---|---|
| 556-7106779-67 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7106779 | D/9 Drawing number reference only Naval Sea Systems Command |
| H792-8002-67 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| H79208002-67 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-485-5129 is a Extension Shaft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-485-5129 has 1 manufacturer part number on file: 556-7106779-67 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 5340-01-486-6638, 5340-01-486-6717, 5365-01-733-3741. Verify interchangeability with system specifications before substitution.
Key specifications for 556-7106779-67: Shaft End Design: FEMALE; Special Features: PART NAME ASSIGNED BY CONTROLLING AGENCY IS CAM; End Item Identification: ACCUMULATORS 400 & 1300 CUBIC INCH; Material: STEEL COMP 304. 4 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.