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M-2603 — LINK,ROLLER CHAIN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

M-2603: LINK,ROLLER CHAIN.

The LINK,ROLLER CHAIN is a the manufacturer industrial component. Key specifications include material: STEEL, link_style: PIN, link_plate_width: 0.615 INCHES NOMINAL IN, pin_fastening_method: COTTER PIN, nominal_pitch_distance: 0.750 INCHES IN, minimum_tensile_strength: 14100 POUNDS PER SQUARE INCH LBS. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-231-8714, 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
M-2603
NSN: 3020-00-231-8714
NIINs: 002318714, 002451823
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 14180 — LULL CORP (USA)
SPECIFICATIONS
materialSTEEL
link_stylePIN
link_plate_width0.615 INCHES NOMINAL IN
link_row_quantity2
pin_fastening_methodCOTTER PIN
nominal_pitch_distance0.750 INCHES IN
minimum_tensile_strength14100 POUNDS PER SQUARE INCH LBS
link_pin_nominal_diameter0.2344 INCHES IN
link_plate_nominal_thickness0.0938 INCHES IN
link_nominal_width_between_plates0.6880 INCHES IN
NSN3020-00-231-8714
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LINK,ROLLER CHAIN TITLE COMPONENT PN M-2603 MFR LINK,ROLLER CHAIN
KEY FEATURES
•
LINK PLATE NOMINAL THICKNESS: 0.0938 INCHES IN
•
LINK STYLE: PIN
•
LINK PIN NOMINAL DIAMETER: 0.2344 INCHES IN
•
NOMINAL PITCH DISTANCE: 0.750 INCHES IN
•
PIN FASTENING METHOD: COTTER PIN
•
MINIMUM TENSILE STRENGTH: 14100 POUNDS PER SQUARE INCH LBS
•
LINK ROW QUANTITY: 2
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
LINK PLATE NOMINAL THICKNESS0.0938 INCHES IN
LINK STYLEPIN
LINK PIN NOMINAL DIAMETER0.2344 INCHES IN
NOMINAL PITCH DISTANCE0.750 INCHES IN
PIN FASTENING METHODCOTTER PIN
MINIMUM TENSILE STRENGTH14100 POUNDS PER SQUARE INCH LBS
LINK ROW QUANTITY2
MATERIALSTEEL
LINK NOMINAL WIDTH BETWEEN PLATES0.6880 INCHES IN
LINK PLATE WIDTH0.615 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 5
D60CLReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
Z787Reference document
Same NSN cross-reference
Reference document — Secondary reference
MILSTD421-60-2CLASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
D0UBLE433CLReference document
Same NSN cross-reference
Reference document — Secondary reference
60-2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M-2603?
M-2603 is a LINK,ROLLER CHAIN.
What parts can replace M-2603?
There are 5 known substitutes for M-2603: D60CL, Z787, MILSTD421-60-2CLA and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M-2603?
M-2603 is cataloged in the U.S. Government catalog under NSN 3020-00-231-8714. 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.