The Bell Crank, cataloged under National Stock Number 3040-00-370-0540, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Telemechanics Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-370-0540 |
| Primary Part Number | 150642 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| FSC Application Data | TELETYPE AND FACSIMILE EQUIPMENT |
| 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 |
|---|---|
| 150642 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 150642 | C/1 Advisory reference — outside the item-of-supply concept American Telephone and Telegraph Co |
| 150642 | 5/9 Secondary reference Daytel Mfg Inc |
NSN 3040-00-370-0540 is a Bell Crank, manufactured by Telemechanics Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-370-0540 has 1 manufacturer part number on file: 150642 (Telemechanics Inc).
3 possible matches (shared part number, not a government interchangeability claim): 2910-00-413-7994, 5821-00-558-5857, 2010-01-572-3915. Verify interchangeability with system specifications before substitution.
Key specifications for 150642: FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT. 1 specification is 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.