The Bell Crank, cataloged under National Stock Number 3040-01-669-3810, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Mct Industries, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Bell Crank |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Mct Industries, Inc. (CAGE 2W888) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-669-3810 |
| Primary Part Number | 1330-1170-20 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Mct Industries, 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 |
|---|---|
| 1330-1170-20 PRIMARY | Mct Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1330-1170 | D/9 Drawing number reference only Mct Industries, Inc. |
NSN 3040-01-669-3810 is a Bell Crank, manufactured by Mct Industries, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-669-3810 has 1 manufacturer part number on file: 1330-1170-20 (Mct Industries, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-669-3814. 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.
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.