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Technical Data Sheet
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3555T56 — SHACKLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3555T56: SHACKLE.

The SHACKLE is a the manufacturer industrial component. Key specifications include material: STEEL, inside_length: 4.250 INCHES NOMINAL IN, opening_width: 1.812 INCHES NOMINAL IN, special_features: GALVANIZED CARBON STEEL, GALVANIZED FINISH AND ALLOY STEEL PIN, style_designator: ANCHOR, material_diameter: 1.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4030-01-559-8362, 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
3555T56
NSN: 4030-01-559-8362
FSC: 4030 — Fittings for Rope, Cable, and Chain
CAGE: 3A054 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL
inside_length4.250 INCHES NOMINAL IN
opening_width1.812 INCHES NOMINAL IN
special_featuresGALVANIZED CARBON STEEL, GALVANIZED FINISH AND ALLOY STEEL PIN
style_designatorANCHOR
material_diameter1.125 INCHES NOMINAL IN
locking_device_typeCOTTER PIN
end_item_identificationOASIS/OAMCM MISSION KIT SPT TYP 1
part_name_assigned_by_controlling_agencyANCHOR SHACKLE
NSN4030-01-559-8362
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHACKLE TITLE COMPONENT PN 3555T56 MFR SHACKLE
KEY FEATURES
•
INSIDE LENGTH: 4.250 INCHES NOMINAL IN
•
MATERIAL DIAMETER: 1.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ANCHOR
•
OPENING WIDTH: 1.812 INCHES NOMINAL IN
•
LOCKING DEVICE TYPE: COTTER PIN
TECHNICAL CHARACTERISTICS
INSIDE LENGTH4.250 INCHES NOMINAL IN
MATERIAL DIAMETER1.125 INCHES NOMINAL IN
STYLE DESIGNATORANCHOR
OPENING WIDTH1.812 INCHES NOMINAL IN
LOCKING DEVICE TYPECOTTER PIN
SPECIAL FEATURESGALVANIZED CARBON STEEL, GALVANIZED FINISH AND ALLOY STEEL PIN
PART NAME ASSIGNED BY CONTROLLING AGENCYANCHOR SHACKLE
END ITEM IDENTIFICATIONOASIS/OAMCM MISSION KIT SPT TYP 1
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3555T56?
3555T56 is a SHACKLE.
What is the NSN for 3555T56?
3555T56 is cataloged in the U.S. Government catalog under NSN 4030-01-559-8362. 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.