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644884 — BELL CRANK

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

644884: BELL CRANK.

The BELL CRANK is a the manufacturer industrial component. Key specifications include material: STEEL, bore_length: 0.335 INCHES NOMINAL IN, bore_diameter: 0.315 INCHES NOMINAL IN, surface_treatment: CADMIUM, end_hole/ball_diameter: 0.260 INCHES NOMINAL FIRST END IN, center_to_center_distance_between_fulcrum_and_arm_end_hole/slot/ball: 1.675 INCHES NOMINAL SECOND END IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-454-2263, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
644884
NSN: 3040-00-454-2263
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialSTEEL
bore_length0.335 INCHES NOMINAL IN
bore_diameter0.315 INCHES NOMINAL IN
surface_treatmentCADMIUM
end_hole/ball_diameter0.260 INCHES NOMINAL FIRST END IN
center_to_center_distance_between_fulcrum_and_arm_end_hole/slot/ball1.675 INCHES NOMINAL SECOND END IN
NSN3040-00-454-2263
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BELL CRANK TITLE COMPONENT PN 644884 MFR BELL CRANK
KEY FEATURES
•
CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL: 1.650 INCHES NOMINAL FIRST END IN
•
END HOLE/BALL DIAMETER: 0.260 INCHES NOMINAL FIRST END IN
•
BORE LENGTH: 0.335 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM
•
BORE DIAMETER: 0.315 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL1.650 INCHES NOMINAL FIRST END IN
CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL1.675 INCHES NOMINAL SECOND END IN
END HOLE/BALL DIAMETER0.260 INCHES NOMINAL FIRST END IN
END HOLE/BALL DIAMETER0.199 INCHES NOMINAL SECOND END IN
BORE LENGTH0.335 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM
BORE DIAMETER0.315 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 6
852670Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
07-852670Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
533K316Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
007852670Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
155960Reference document
Same NSN cross-reference
Reference document — Secondary reference
640407Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 644884?
644884 is a BELL CRANK.
What parts can replace 644884?
There are 6 known substitutes for 644884: 852670, 07-852670, 533K316 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 644884?
644884 is cataloged in the U.S. Government catalog under NSN 3040-00-454-2263. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.