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CM 640 PULLER — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

CM 640 PULLER: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include chain_type: PROOF COIL, load_rating: 6000.0 POUNDS MAXIMUM LBS, braking_method: MANUAL, mounting_method: HOOK SUSPENSION, operation_method: HAND, mounting_position: ANY ACCEPTABLE. This part is cataloged in the U.S.

Government catalog under NSN 3950-01-006-4489, 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
CM 640 PULLER
NSN: 3950-01-006-4489
FSC: 3950 — Winches, Hoists, Cranes, and Derricks
CAGE: 18740 — YALE INDUSTRIAL PRODUCTS, INC. DIV DUFF NORTON COMPANY (USA)
SPECIFICATIONS
chain_typePROOF COIL
load_rating6000.0 POUNDS MAXIMUM LBS
hook_quantity2
braking_methodMANUAL
mounting_methodHOOK SUSPENSION
operation_methodHAND
mounting_positionANY ACCEPTABLE
chain_material_diameter0.781 INCHES NOMINAL IN
mechanical_advantage_methodLEVER
load_element_quantity_per_hook2
raised_position_distance_between_suspension_hook_and_load_hook_bearing_surface18.375 INCHES NOMINAL IN
NSN3950-01-006-4489
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT CARD ASSEMBLY TITLE COMPONENT PN CM 640 PULLER MFR CIRCUIT CARD ASSEMBLY
KEY FEATURES
•
CHAIN MATERIAL DIAMETER: 0.781 INCHES NOMINAL IN
•
RAISED POSITION DISTANCE BETWEEN SUSPENSION HOOK AND LOAD HOOK BEARING SURFACE: 18.375 INCHES NOMINAL IN
•
LOAD RATING: 6000.0 POUNDS MAXIMUM LBS
•
MOUNTING METHOD: HOOK SUSPENSION
•
MOUNTING POSITION: ANY ACCEPTABLE
•
BRAKING METHOD: MANUAL
•
MECHANICAL ADVANTAGE METHOD: LEVER
•
HOOK QUANTITY: 2
TECHNICAL CHARACTERISTICS
CHAIN MATERIAL DIAMETER0.781 INCHES NOMINAL IN
RAISED POSITION DISTANCE BETWEEN SUSPENSION HOOK AND LOAD HOOK BEARING SURFACE18.375 INCHES NOMINAL IN
LOAD RATING6000.0 POUNDS MAXIMUM LBS
MOUNTING METHODHOOK SUSPENSION
MOUNTING POSITIONANY ACCEPTABLE
BRAKING METHODMANUAL
MECHANICAL ADVANTAGE METHODLEVER
HOOK QUANTITY2
LOAD ELEMENT QUANTITY PER HOOK2
CHAIN TYPEPROOF COIL
SUBSTITUTES & CROSS-REFERENCES 1
MA30-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CM 640 PULLER?
CM 640 PULLER is a CIRCUIT CARD ASSEMBLY.
What parts can replace CM 640 PULLER?
There is 1 known substitute for CM 640 PULLER: MA30-2. Substitute compatibility should be verified for your specific system.
What is the NSN for CM 640 PULLER?
CM 640 PULLER is cataloged in the U.S. Government catalog under NSN 3950-01-006-4489. 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.