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Technical Data Sheet
PartsTable / COMPONENT / 660FHD-10
660FHD-10 ✓ 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,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_angle: 45.0 DEGREES FIRST END, thread_class: 2B ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS, style_designator: PLAIN W/CENTER GROOVE, nominal_thread_size: 0.438 INCHES ALL ENDS 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 4730-00-014-8288, 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
660FHD-10
NSN: 4730-00-014-8288
FSC: 4730
CAGE: 93061 — PARKER-HANNIFIN CORP DIV FLUID SYSTEM CONNECTOR DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_angle45.0 DEGREES FIRST END
thread_class2B ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
style_designatorPLAIN W/CENTER GROOVE
nominal_thread_size0.438 INCHES ALL ENDS IN
nominal_overall_length1.680 INCHES IN
thread_series_designatorUNF ALL ENDS
nominal_outside_diameter_tube_accommodated0.625 INCHES ALL ENDS IN
NSN4730-00-014-8288
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 660FHD-10 · 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
•
MATERIAL: COPPER ALLOY OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES ALL ENDS IN
•
NOMINAL OVERALL LENGTH: 1.680 INCHES IN
•
THREAD SERIES DESIGNATOR: UNF ALL ENDS
•
SEAT ANGLE: 45.0 DEGREES FIRST END
•
STYLE DESIGNATOR: PLAIN W/CENTER GROOVE
•
NOMINAL THREAD SIZE: 0.438 INCHES ALL ENDS IN
•
THREAD CLASS: 2B ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES ALL ENDS IN
NOMINAL OVERALL LENGTH1.680 INCHES IN
THREAD SERIES DESIGNATORUNF ALL ENDS
SEAT ANGLE45.0 DEGREES FIRST END
STYLE DESIGNATORPLAIN W/CENTER GROOVE
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS IN
THREAD CLASS2B ALL ENDS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
A405Interchangeable
interchangeable cross-reference
interchangeable
212944-6Interchangeable
interchangeable cross-reference
interchangeable
GPW7520Interchangeable
interchangeable cross-reference
interchangeable
A05Interchangeable
interchangeable cross-reference
interchangeable
A10269Interchangeable
interchangeable cross-reference
interchangeable
416821-66DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 660FHD-10?
660FHD-10 is a COUPLING,TUBE.
What parts can replace 660FHD-10?
There are 9 known substitutes for 660FHD-10: A405, 212944-6, GPW7520 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 660FHD-10?
660FHD-10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-014-8288. 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