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PartsTable / COMPONENT / FC31668
FC31668 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include seat_angle: 45.0 DEGREES SECOND END, temp_rating: -70.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 2B FIRST END, exterior_color: BLACK, connection_type: THREADED EXTERNAL TUBE SECOND END, inside_diameter: 0.188 INCHES NOMINAL 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 4720-00-885-0665, 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
FC31668
NSN: 4720-00-885-0665
FSC: 4720
CAGE: 63477 — FEDERAL MOGUL CORP SUB WAGNER BRAKE MOOG AUTOMOTIVE DIV (USA)
SPECIFICATIONS
seat_angle45.0 DEGREES SECOND END
temp_rating-70.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class2B FIRST END
exterior_colorBLACK
connection_typeTHREADED EXTERNAL TUBE SECOND END
inside_diameter0.188 INCHES NOMINAL IN
connection_styleFLARED SECOND END
special_featuresINNER CONVEYING TUBE MATERIAL-RUBBER, SYNTHETIC
thread_directionRIGHT-HAND FIRST END
burst_test_pressure4500.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size0.375 INCHES SECOND END IN
end_connection_designSTRAIGHT FIRST END
NSN4720-00-885-0665
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: FC31668 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD DIRECTION: RIGHT-HAND SECOND END
•
THREAD CLASS: 1A SECOND END A
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
CONNECTION STYLE: FLARED SECOND END
•
TEMP RATING: -70.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
INSIDE DIAMETER: 0.188 INCHES NOMINAL IN
•
CONNECTION TYPE: THREADED INTERNAL TUBE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD CLASS1A SECOND END A
END CONNECTION DESIGNSTRAIGHT FIRST END
CONNECTION STYLEFLARED SECOND END
TEMP RATING-70.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
INSIDE DIAMETER0.188 INCHES NOMINAL IN
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
THREAD CLASS2B FIRST END
BURST TEST PRESSURE4500.0 POUNDS PER SQUARE INCH LBS
END CONNECTION DESIGNSTRAIGHT SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
989092-1Interchangeable
interchangeable cross-reference
interchangeable
17667Interchangeable
interchangeable cross-reference
interchangeable
137397Interchangeable
interchangeable cross-reference
interchangeable
110-6752Interchangeable
interchangeable cross-reference
interchangeable
705FB3Interchangeable
interchangeable cross-reference
interchangeable
W2110-612Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FC31668?
FC31668 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace FC31668?
There are 27 known substitutes for FC31668: 989092-1, 17667, 137397 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FC31668?
FC31668 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-885-0665. 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