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6505-052 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 SCREW, leg_length: 1.016 INCHES NOMINAL IN, seat_angle: 37.0 DEGREES, thread_class: 3A ALL ENDS A, overall_width: 0.562 INCHES NOMINAL IN, overall_length: 2.336 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-838-9883, 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
6505-052
NSN: 4730-00-838-9883
FSC: 4730
CAGE: 91561 — PARKER HANNIFIN CORPORATION DBA QUICK COUPLING DIV DIV QUICK COUPLING DIVISION BRUNING OPERATION (USA)
SPECIFICATIONS
materialSTEEL COMP 410 SCREW
leg_length1.016 INCHES NOMINAL IN
seat_angle37.0 DEGREES
thread_class3A ALL ENDS A
overall_width0.562 INCHES NOMINAL IN
overall_length2.336 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
furnished_itemsCOVER
inside_diameter6.625 INCHES MINIMUM AND 7.500 INCHES MAXIMUM IN
connection_styleFLARED ALL ENDS
style_designatorWIRE
surface_treatmentPASSIVATE BAND
NSN4730-00-838-9883
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6505-052 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
QUICK DISCONNECT METHOD: PUSH-PULL ALL ENDS
•
LEG LENGTH: 1.016 INCHES NOMINAL IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
SURFACE TREATMENT: ANODIZE BODY
•
MATERIAL: ALUMINUM ALLOY BODY
TECHNICAL CHARACTERISTICS (FLIS)
QUICK DISCONNECT METHODPUSH-PULL ALL ENDS
LEG LENGTH1.016 INCHES NOMINAL IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
STYLE DESIGNATORMALE COUPLING HALF
OVERALL LENGTH2.336 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE BODY
CONNECTION TYPEEXTERNAL QUICK DISCONNECT ALL ENDS
MATERIALALUMINUM ALLOY BODY
FURNISHED ITEMSCOVER
THREAD SERIES DESIGNATORUNF ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
6505-052Interchangeable
interchangeable cross-reference
interchangeable
630040116Interchangeable
interchangeable cross-reference
interchangeable
300 112 HBInterchangeable
interchangeable cross-reference
interchangeable
629900-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6505-052?
6505-052 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 6505-052?
There are 4 known substitutes for 6505-052: 6505-052, 630040116, 300 112 HB and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6505-052?
6505-052 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-838-9883. 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: July 2026