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Technical Data Sheet
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7521393-1 — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SHACKLE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, end_condition: THREADED, inside_length: 0.787 INCHES NOMINAL IN, opening_width: 0.472 INCHES NOMINAL IN, special_features: MATERIAL 316 STAINLESS STEEL; THREADED PIN, style_designator: CHAIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4030-01-528-7060, 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
7521393-1
NSN: 4030-01-528-7060
FSC: 4030
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
end_conditionTHREADED
inside_length0.787 INCHES NOMINAL IN
opening_width0.472 INCHES NOMINAL IN
special_featuresMATERIAL 316 STAINLESS STEEL; THREADED PIN
style_designatorCHAIN
breaking_strength500.0 BELT GROUP 3
material_diameter0.236 INCHES NOMINAL IN
closure_head_styleSHOULDER EYE
locking_device_typePIN
end_item_identificationMK75 MOD0, VERSATILE EXERCISE
part_name_assigned_by_controlling_agencySTRAIGHT SHACKLE, NON-MAGNETIC
NSN4030-01-528-7060
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHACKLE TITLE COMPONENT PN 7521393-1 MFR SHACKLE
KEY FEATURES
•
STYLE DESIGNATOR: CHAIN
•
OPENING WIDTH: 0.472 INCHES NOMINAL IN
•
LOCKING DEVICE TYPE: PIN
•
END CONDITION: THREADED
•
INSIDE LENGTH: 0.787 INCHES NOMINAL IN
•
MATERIAL DIAMETER: 0.236 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCHAIN
OPENING WIDTH0.472 INCHES NOMINAL IN
LOCKING DEVICE TYPEPIN
END CONDITIONTHREADED
PART NAME ASSIGNED BY CONTROLLING AGENCYSTRAIGHT SHACKLE, NON-MAGNETIC
INSIDE LENGTH0.787 INCHES NOMINAL IN
MATERIAL DIAMETER0.236 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
CLOSURE HEAD STYLESHOULDER EYE
END ITEM IDENTIFICATIONMK75 MOD0, VERSATILE EXERCISE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
K8InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
K-1008InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
GDJ1008InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6167605InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7521393-1?
7521393-1 is a SHACKLE.
What parts can replace 7521393-1?
There are 4 known substitutes for 7521393-1: K8, K-1008, GDJ1008 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7521393-1?
7521393-1 is cataloged in the Federal Logistics Information System under NSN 4030-01-528-7060. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026