PartsTable TECHNICAL DATA SHEET

NSN 3040-01-012-6665Government record, cited

Bell Crank3040-01-012-6665

NSN 3040-01-012-6665 · NIIN 010126665 · Part number 291749B

Brinkley Technology Group Llc Dba Hercules Manufacturing · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 1ML14

Government record, cited

NSN 3040-01-012-6665 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-012-6665. Manufacturer of record part number: 291749B.

Also searched as 3040-01-012-6665 · 3040010126665 · NIIN 010126665 · 01-012-6665 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 1ML14 · 291749B

Nearby stock numbers ← 3040-01-012-6408 Clamp, Hub · 3040-01-012-6666 Shaft, Straight →

Features

Bell Crank — FSC 3040
Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 1.250 INCHES NOMINAL FIRST END IN
Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 1.500 INCHES NOMINAL SECOND END IN
End Hole/ball Diameter: 0.250 INCHES NOMINAL FIRST END IN
End Hole/ball Diameter: 0.187 INCHES NOMINAL SECOND END IN
Bore Length: 0.437 INCHES NOMINAL IN
Style Designator: RAISED FACE PIVOT HOLE W/HEEL, CLEVIS ONE END
Hole Thread Size: 0.216-24

Identification

NSN: 3040-01-012-6665
NIIN: 010126665
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 291749B
Manufacturer: Brinkley Technology Group Llc Dba Hercules Manufacturing

General Description

The Bell Crank, cataloged under National Stock Number 3040-01-012-6665, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3040-01-012-6665
Primary Part Number	291749B
Item Name	Bell Crank
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Brinkley Technology Group Llc Dba Hercules Manufacturing
Status	ACTIVE
Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball	1.250 INCHES NOMINAL FIRST END IN
Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball	1.500 INCHES NOMINAL SECOND END IN
End Hole/ball Diameter	0.250 INCHES NOMINAL FIRST END IN
End Hole/ball Diameter	0.187 INCHES NOMINAL SECOND END IN
Bore Length	0.437 INCHES NOMINAL IN
Style Designator	RAISED FACE PIVOT HOLE W/HEEL, CLEVIS ONE END
Hole Thread Size	0.216-24
Bore Diameter	0.343 INCHES NOMINAL IN
Material	IRON

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
291749B PRIMARY	Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)

Reference documents

Reference	Meaning
291749B	5/9 Secondary reference Hercules Engine Co Inc

No interchangeability data on file.

Other items in FSC 3040 — Miscellaneous Power Transmission Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3040-00-001-0046

3040-00-001-0046 · Item name not on file

3040-00-001-0047

3040-00-001-0047 · Item name not on file

3040-00-001-0048

3040-00-001-0048 · Item name not on file

3040-00-001-0068

3040-00-001-0068 · Item name not on file

3040-00-001-0077

3040-00-001-0077 · Item name not on file

3040-00-001-0078

3040-00-001-0078 · Item name not on file

3040-00-001-0089

3040-00-001-0089 · Item name not on file

3040-00-001-1224

3040-00-001-1224 · Item name not on file

Frequently Asked Questions

What is NSN 3040-01-012-6665?

NSN 3040-01-012-6665 is a Bell Crank, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-012-6665?

NSN 3040-01-012-6665 has 1 manufacturer part number on file: 291749B (Brinkley Technology Group Llc Dba Hercules Manufacturing).

What are the specifications of 291749B?

Key specifications for 291749B: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 1.250 INCHES NOMINAL FIRST END IN; Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 1.500 INCHES NOMINAL SECOND END IN; End Hole/ball Diameter: 0.250 INCHES NOMINAL FIRST END IN; End Hole/ball Diameter: 0.187 INCHES NOMINAL SECOND END IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-012-6665 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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