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519-73 — COUPLING ASSEMBLY,QUICK DISCONNE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

519-73: COUPLING ASSEMBLY,QUICK DISCONNE.

COUPLING ASSEMBLY,QUICK DISCONNE. Key specifications include material: STEEL CORROSION RESISTING OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDSSPRING END,SQUARED AND GROUND BOTH ENDS, body_height: 0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, load_rating: 7.750 POUNDS MINIMUM AND 7.750 POUNDS MINIMUM AND 8.250 POUNDS MAXIMUM8.250 POUNDS MAXIMUM LBS, coil_quantity: 33, inside_diameter: 0.417 INCHES MINIMUM AND 0.417 INCHES MINIMUM AND 0.433 INCHES MAXIMUM0.433 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-514-1956, 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
MRO→ MRO_GENERAL→ 519-73
NSN: 5360-00-514-1956
NIINs: 005141956, 009324307, 009913768, 013384671, 013878555
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 45934 — ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDSSPRING END,SQUARED AND GROUND BOTH ENDS
body_height0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
load_rating7.750 POUNDS MINIMUM AND 7.750 POUNDS MINIMUM AND 8.250 POUNDS MAXIMUM8.250 POUNDS MAXIMUM LBS
coil_quantity33
inside_diameter0.417 INCHES MINIMUM AND 0.417 INCHES MINIMUM AND 0.433 INCHES MAXIMUM0.433 INCHES MAXIMUM IN
special_featuresFOR USE ON AUTOCLAVE MODEL 3500 SERIES
style_designatorCYLINDRICALCYLINDRICAL
features_providedHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND INTERNALLY COMPENSATED
precious_materialGOLD
surface_treatmentPASSIVATE OVERALLPASSIVATE OVERALL
inclosure_materialGLASS AND METAL
NSN5360-00-514-1956
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING ASSEMBLY,QUICK DISCONNE TITLE COMPONENT PN 519-73 MFR COUPLING ASSEMBLY,QUIC
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.515 INCHES MINIMUM AND 0.515 INCHES MINIMUM AND 0.531 INCHES MAXIMUM0.531 INCHES MAXIMUM IN
•
LOAD RATING: 7.750 POUNDS MINIMUM AND 7.750 POUNDS MINIMUM AND 8.250 POUNDS MAXIMUM8.250 POUNDS MAXIMUM LBS
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDSSPRING END,SQUARED AND GROUND BOTH ENDS
•
SPRING SOLID LENGTH: 0.141 INCHES NOMINAL0.141 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICALCYLINDRICAL
•
SPRING FREE LENGTH: 0.266 INCHES NOMINAL0.266 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.417 INCHES MINIMUM AND 0.417 INCHES MINIMUM AND 0.433 INCHES MAXIMUM0.433 INCHES MAXIMUM IN
•
SPRING LENGTH UNDER LOAD: 0.172 INCHES NOMINAL0.172 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.515 INCHES MINIMUM AND 0.515 INCHES MINIMUM AND 0.531 INCHES MAXIMUM0.531 INCHES MAXIMUM IN
LOAD RATING7.750 POUNDS MINIMUM AND 7.750 POUNDS MINIMUM AND 8.250 POUNDS MAXIMUM8.250 POUNDS MAXIMUM LBS
END STYLESPRING END,SQUARED AND GROUND BOTH ENDSSPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH0.141 INCHES NOMINAL0.141 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICALCYLINDRICAL
SPRING FREE LENGTH0.266 INCHES NOMINAL0.266 INCHES NOMINAL IN
INSIDE DIAMETER0.417 INCHES MINIMUM AND 0.417 INCHES MINIMUM AND 0.433 INCHES MAXIMUM0.433 INCHES MAXIMUM IN
SPRING LENGTH UNDER LOAD0.172 INCHES NOMINAL0.172 INCHES NOMINAL IN
COIL QUANTITY33
SURFACE TREATMENTPASSIVATE OVERALLPASSIVATE OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
6526287Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 519-73?
519-73 is a COUPLING ASSEMBLY,QUICK DISCONNE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 519-73?
There is 1 known substitute for 519-73: 6526287. Substitute compatibility should be verified for your specific system.
What is the NSN for 519-73?
519-73 is cataloged in the U.S. Government catalog under NSN 5360-00-514-1956. 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.