The Shaft,upper, cataloged under National Stock Number 3040-01-172-3761, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lake Shore Systems, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-172-3761 |
| Primary Part Number | 1116042 |
| Item Name | Shaft,upper |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 1116042 PRIMARY | Lake Shore Systems, Inc. (USA) |
| 312334 PIECE 72 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1116042-A | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
NSN 3040-01-172-3761 is a Shaft,upper, manufactured by Lake Shore Systems, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-172-3761 has 2 manufacturer part numbers on file: 1116042 (Lake Shore Systems, Inc.), 312334 PIECE 72 (Lake Shore Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-662-4582. Verify interchangeability with system specifications before substitution.
Key specifications for 1116042: End Item Identification: MISCELLANEOUS ELECTRICAL AND ELECTRONIC COMPONENTS. 0 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.