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Technical Data Sheet
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3559T51 — SHACKLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3559T51: SHACKLE.

The SHACKLE is a the manufacturer industrial component. Key specifications include material: STEEL, end_condition: PLAIN, inside_length: 2.812 INCHES NOMINAL IN, opening_width: 1.250 INCHES NOMINAL IN, style_designator: ANCHOR, features_provided: FORELOCK PINHOLE. This part is cataloged in the U.S.

Government catalog under NSN 4030-01-136-4535, 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
3559T51
NSN: 4030-01-136-4535
FSC: 4030 — Fittings for Rope, Cable, and Chain
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL
end_conditionPLAIN
inside_length2.812 INCHES NOMINAL IN
opening_width1.250 INCHES NOMINAL IN
style_designatorANCHOR
features_providedFORELOCK PINHOLE
material_diameter0.750 INCHES NOMINAL IN
surface_treatmentZINC
closure_head_styleFLAT
locking_device_typeCOTTER PIN
NSN4030-01-136-4535
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHACKLE TITLE COMPONENT PN 3559T51 MFR SHACKLE
KEY FEATURES
•
INSIDE LENGTH: 2.812 INCHES NOMINAL IN
•
END CONDITION: PLAIN
•
MATERIAL DIAMETER: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ANCHOR
•
OPENING WIDTH: 1.250 INCHES NOMINAL IN
•
LOCKING DEVICE TYPE: COTTER PIN
•
FEATURES PROVIDED: FORELOCK PINHOLE
•
CLOSURE HEAD STYLE: FLAT
TECHNICAL CHARACTERISTICS
INSIDE LENGTH2.812 INCHES NOMINAL IN
END CONDITIONPLAIN
MATERIAL DIAMETER0.750 INCHES NOMINAL IN
STYLE DESIGNATORANCHOR
OPENING WIDTH1.250 INCHES NOMINAL IN
LOCKING DEVICE TYPECOTTER PIN
FEATURES PROVIDEDFORELOCK PINHOLE
CLOSURE HEAD STYLEFLAT
SURFACE TREATMENTZINC
MATERIALSTEEL
OTHER ITEMS IN FSC 4030 — Fittings for Rope, Cable, and Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4030-00-001-5120 4030-00-001-9591 4030-00-001-9952 4030-00-001-9953 4030-00-003-0385 4030-00-003-1512 4030-00-003-1801 4030-00-003-4166
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3559T51?
3559T51 is a SHACKLE.
What is the NSN for 3559T51?
3559T51 is cataloged in the U.S. Government catalog under NSN 4030-01-136-4535. 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.