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41FL-6 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL OVERALL, duty_type: INTERMITTENT, body_style: ANGLE SHAPE, EXTERNAL COUPLING, head_style: DEE CHAMFER, shell_type: SOLID, body_height: 1.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-011-8539, 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
41FL-6
NSN: 4730-00-011-8539
FSC: 4730
CAGE: 93061 — PARKER-HANNIFIN CORP DIV FLUID SYSTEM CONNECTOR DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
duty_typeINTERMITTENT
body_styleANGLE SHAPE, EXTERNAL COUPLING
head_styleDEE CHAMFER
shell_typeSOLID
body_height1.625 INCHES NOMINAL IN
body_length2.188 INCHES MINIMUM AND 2.312 INCHES MAXIMUM IN
head_height0.125 INCHES NOMINAL IN
thread_class2A A
body_diameter1.500 INCHES NOMINAL IN
flange_length0.500 INCHES NOMINAL IN
head_diameter0.448 INCHES MINIMUM AND 0.488 INCHES MAXIMUM IN
NSN4730-00-011-8539
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 41FL-6 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
22121PA6 3-4INInterchangeable
interchangeable cross-reference
interchangeable
PEF90S/4P-12Interchangeable
interchangeable cross-reference
interchangeable
Z128Interchangeable
interchangeable cross-reference
interchangeable
25G227Interchangeable
interchangeable cross-reference
interchangeable
1098Interchangeable
interchangeable cross-reference
interchangeable
S 1019Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 41FL-6?
41FL-6 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 41FL-6?
There are 29 known substitutes for 41FL-6: 22121PA6 3-4IN, PEF90S/4P-12, Z128 and 26 more. Substitute compatibility should be verified for your specific system.
Is 41FL-6 still available?
41FL-6 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026