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Technical Data Sheet
PartsTable / COMPONENT / 6R6X-S
6R6X-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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: STEEL BODY, flow_angle: 37.0 DEGREES, special_features: CHROMIUM-6 FREE, operating_pressure: 7500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, end_item_identification: NSN 2350-014360005, media_for_which_designed: HYDRAULIC FLUID FIRST RESPONSE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-618-5381, 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
6R6X-S
NSN: 4730-00-618-5381
FSC: 4730
CAGE: 36621 — PARKER HANNIFIN CANADA DIV FLUID CONNECTORS CANADA (CAN)
SPECIFICATIONS
materialSTEEL BODY
flow_angle37.0 DEGREES
special_featuresCHROMIUM-6 FREE
operating_pressure7500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
end_item_identificationNSN 2350-014360005
media_for_which_designedHYDRAULIC FLUID FIRST RESPONSE
nominal_outside_diameter_hose_accommodated0.375 INCHES ALL ENDS IN
NSN4730-00-618-5381
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6R6X-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 22
3543-037Interchangeable
interchangeable cross-reference
interchangeable
B7478-81Interchangeable
interchangeable cross-reference
interchangeable
B7478Interchangeable
interchangeable cross-reference
interchangeable
81-7478Interchangeable
interchangeable cross-reference
interchangeable
125A4260G1Interchangeable
interchangeable cross-reference
interchangeable
C9119-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6R6X-S?
6R6X-S is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 6R6X-S?
There are 22 known substitutes for 6R6X-S: 3543-037, B7478-81, B7478 and 19 more. Substitute compatibility should be verified for your specific system.
Is 6R6X-S still available?
6R6X-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