PartsTable TECHNICAL DATA SHEET

NSN 3040-01-256-8384Government record, cited

Bell Crank3040-01-256-8384

NSN 3040-01-256-8384 · NIIN 012568384 · Part number 75A612308-1001

The Boeing Company Div Defense · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 76301

Government record, cited

NSN 3040-01-256-8384 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-256-8384. Manufacturer of record part number: 75A612308-1001.

Also searched as 3040-01-256-8384 · 3040012568384 · NIIN 012568384 · 01-256-8384 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 76301 · 75A612308-1001

Nearby stock numbers ← 3040-01-256-8383 Bell Crank · 3040-01-256-8385 Connecting Link, Rigid →

Features

Bell Crank — FSC 3040
Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 2.419 INCHES NOMINAL FIRST END IN
End Hole/ball Diameter: 0.250 INCHES NOMINAL FIRST END IN
End Hole/ball Diameter: 0.250 INCHES NOMINAL SECOND END IN
Bore Length: 0.988 INCHES NOMINAL IN
Style Designator: RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS
Features Provided: BEARING AND COUNTERBORE
Slot Width: 0.593 INCHES NOMINAL FIRST END IN

Identification

NSN: 3040-01-256-8384
NIIN: 012568384
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 75A612308-1001
Manufacturer: The Boeing Company Div Defense

General Description

The Bell Crank, cataloged under National Stock Number 3040-01-256-8384, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 10 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3040-01-256-8384
Primary Part Number	75A612308-1001
Item Name	Bell Crank
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	The Boeing Company Div Defense
Status	ACTIVE
Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball	2.419 INCHES NOMINAL FIRST END IN
End Hole/ball Diameter	0.250 INCHES NOMINAL FIRST END IN
End Hole/ball Diameter	0.250 INCHES NOMINAL SECOND END IN
Bore Length	0.988 INCHES NOMINAL IN
Style Designator	RAISED FACE PIVOT HOLE, CLEVIS BOTH ENDS
Features Provided	BEARING AND COUNTERBORE
Slot Width	0.593 INCHES NOMINAL FIRST END IN
Slot Width	0.593 INCHES NOMINAL SECOND END IN
Bore Diameter	0.625 INCHES NOMINAL IN
Material	ALUMINUM ALLOY

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
75A612308-1001 PRIMARY	The Boeing Company Div Defense (USA)

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 3040-01-256-8384?

NSN 3040-01-256-8384 is a Bell Crank, manufactured by The Boeing Company Div Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-256-8384?

NSN 3040-01-256-8384 has 1 manufacturer part number on file: 75A612308-1001 (The Boeing Company Div Defense).

What are the specifications of 75A612308-1001?

Key specifications for 75A612308-1001: Center to Center Distance Between Fulcrum and Arm End Hole/slot/ball: 2.419 INCHES NOMINAL FIRST END IN; End Hole/ball Diameter: 0.250 INCHES NOMINAL FIRST END IN; End Hole/ball Diameter: 0.250 INCHES NOMINAL SECOND END IN; Bore Length: 0.988 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-256-8384 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.

What is the DEMIL code for NSN 3040-01-256-8384?

NSN 3040-01-256-8384 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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