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Technical Data Sheet
PartsTable / COMPONENT / 6-6 CTX-S
6-6 CTX-S ✓ 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 ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 12L14 OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.220 INCHES NOMINAL SECOND END IN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL PIPE SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-231-3012, 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
6-6 CTX-S
NSN: 4730-00-231-3012
FSC: 4730
CAGE: 87373 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HOSE PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 12L14 OVERALL
flow_angle90.0 DEGREES
leg_length1.220 INCHES NOMINAL SECOND END IN
seat_angle37.0 DEGREES FIRST END
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleFLARED (TUBE) FIRST END
special_featuresWEAPON SYSTEM ESSENTIAL
surface_treatmentCADMIUM OVERALL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.562 INCHES FIRST END IN
maximum_operating_temp-65.0 FAHRENHEIT FIRST RESPONSE DEGF
NSN4730-00-231-3012
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6-6 CTX-S · 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 33
66376Interchangeable
interchangeable cross-reference
interchangeable
AS66376Interchangeable
interchangeable cross-reference
interchangeable
51797AXInterchangeable
interchangeable cross-reference
interchangeable
C35405X10X6Interchangeable
interchangeable cross-reference
interchangeable
G274120-1Interchangeable
interchangeable cross-reference
interchangeable
66-4765Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6-6 CTX-S?
6-6 CTX-S is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 6-6 CTX-S?
There are 33 known substitutes for 6-6 CTX-S: 66376, AS66376, 51797AX and 30 more. Substitute compatibility should be verified for your specific system.
Is 6-6 CTX-S still available?
6-6 CTX-S 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