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Technical Data Sheet
PartsTable / COMPONENT / 6-8F50X-SS
6-8F50X-SS ✓ 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 part_name_assigned_by_controlling_agency: STRAIGHT CONNECTOR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-051-5209, 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
6-8F50X-SS
NSN: 4730-00-051-5209
FSC: 4730
CAGE: 30780 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV TUBE FITTINGS DIVISION (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencySTRAIGHT CONNECTOR
NSN4730-00-051-5209
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6-8F50X-SS · 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
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
NOMINAL OVERALL LENGTH: 1.375 INCHES IN
•
MEDIA FOR WHICH DESIGNED: AIR SECOND RESPONSE
•
SEAT ANGLE: 37.0 DEGREES FIRST END
•
FURNISHED ITEMS AND QUANTITY: 1 FLARED SLEEVE AND 1 PREFORMED PACKING AND 1 SHORT COUPLING NUT
•
NOMINAL THREAD SIZE: 0.750 INCHES SECOND END IN
•
MATERIAL: STEEL COMP 316 OR STEEL COMP 304 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPASSIVATE OVERALL
NOMINAL OVERALL LENGTH1.375 INCHES IN
MEDIA FOR WHICH DESIGNEDAIR SECOND RESPONSE
SEAT ANGLE37.0 DEGREES FIRST END
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID FIRST RESPONSE
FURNISHED ITEMS AND QUANTITY1 FLARED SLEEVE AND 1 PREFORMED PACKING AND 1 SHORT COUPLING NUT
NOMINAL THREAD SIZE0.750 INCHES SECOND END IN
MATERIALSTEEL COMP 316 OR STEEL COMP 304 OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
H546739Interchangeable
interchangeable cross-reference
interchangeable
546739Interchangeable
interchangeable cross-reference
interchangeable
18320Interchangeable
interchangeable cross-reference
interchangeable
C10153Interchangeable
interchangeable cross-reference
interchangeable
12666Interchangeable
interchangeable cross-reference
interchangeable
6-8F50X-SSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6-8F50X-SS?
6-8F50X-SS is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 6-8F50X-SS?
There are 11 known substitutes for 6-8F50X-SS: H546739, 546739, 18320 and 8 more. Substitute compatibility should be verified for your specific system.
Is 6-8F50X-SS still available?
6-8F50X-SS 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