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GC550A3 — COUPLING,WIRE ROPE,QUICK DISCONN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

GC550A3: COUPLING,WIRE ROPE,QUICK DISCONN.

COUPLING,WIRE ROPE,QUICK DISCONN. Key specifications include material: STEEL COMP 302 OR STEEL COMP 304, overall_length: 1.407 INCHES MINIMUM AND 1.469 INCHES MAXIMUM IN, outside_diameter: 0.500 INCHES NOMINAL IN, style_designator: SPRING TYPE, accommodated_material_diameter: 0.094 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4030-00-698-6944, 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
GC550A3
NSN: 4030-00-698-6944
NIINs: 006986944, 012740113
FSC: 4030 — Fittings for Rope, Cable, and Chain
CAGE: G0523 — WATERCRAFT HELLAS S.A (GRC)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 304
overall_length1.407 INCHES MINIMUM AND 1.469 INCHES MAXIMUM IN
outside_diameter0.500 INCHES NOMINAL IN
style_designatorSPRING TYPE
accommodated_material_diameter0.094 INCHES NOMINAL IN
NSN4030-00-698-6944
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,WIRE ROPE,QUICK DISCONN TITLE COMPONENT PN GC550A3 MFR COUPLING,WIRE ROPE,QUI
KEY FEATURES
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPRING TYPE
•
ACCOMMODATED MATERIAL DIAMETER: 0.094 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TYPE
OVERALL LENGTH1.440 INCHES NOMINAL IN
ACCOMMODATED MATERIAL DIAMETER0.094 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 1
RA2258-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GC550A3?
GC550A3 is a COUPLING,WIRE ROPE,QUICK DISCONN.
What parts can replace GC550A3?
There is 1 known substitute for GC550A3: RA2258-3. Substitute compatibility should be verified for your specific system.
What is the NSN for GC550A3?
GC550A3 is cataloged in the U.S. Government catalog under NSN 4030-00-698-6944. 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.