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Technical Data Sheet
PartsTable / COMPONENT / 680-6-0840
680-6-0840 ✓ 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: 37.0 DEGREES FIRST END, temp_rating: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 3B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, inside_diameter: 0.688 INCHES NOMINAL IN, connection_style: SWIVEL NUT FLARE FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-347-8491, 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
680-6-0840
NSN: 4720-01-347-8491
FSC: 4720
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
seat_angle37.0 DEGREES FIRST END
temp_rating-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
inside_diameter0.688 INCHES NOMINAL IN
connection_styleSWIVEL NUT FLARE FIRST END
outside_diameter1.219 INCHES NOMINAL IN
thread_directionRIGHT-HAND FIRST END
features_providedREUSABLE END FITTINGS
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure12000.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size1.062 INCHES FIRST END IN
NSN4720-01-347-8491
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 680-6-0840 · 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 QUANTITY PER INCH: 12 FIRST END
•
INSIDE SURFACE CONDITION: SMOOTH
•
CONNECTION STYLE: SWIVEL NUT FLARE FIRST END
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND 2ND LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
SPECIFICATION/STANDARD DATA: 81349-MIL-H-8788 GOVERNMENT SPECIFICATION
•
SEAT ANGLE: 37.0 DEGREES FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH12 FIRST END
INSIDE SURFACE CONDITIONSMOOTH
CONNECTION STYLESWIVEL NUT FLARE FIRST END
END CONNECTION DESIGNSTRAIGHT FIRST END
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND 2ND LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
THREAD DIRECTIONRIGHT-HAND FIRST END
SPECIFICATION/STANDARD DATA81349-MIL-H-8788 GOVERNMENT SPECIFICATION
SEAT ANGLE37.0 DEGREES FIRST END
MEASURING METHOD AND LENGTH84.000 INCHES NOMINAL OVERALL IN
THREAD SERIES DESIGNATORUN FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
M8788-5Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-8788Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-8788Interchangeable
interchangeable cross-reference
interchangeable
309-6-0160Interchangeable
interchangeable cross-reference
interchangeable
4720PL0886855Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-8878-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 680-6-0840?
680-6-0840 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 680-6-0840?
There are 28 known substitutes for 680-6-0840: M8788-5, MIL-DTL-8788, MIL-H-8788 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 680-6-0840?
680-6-0840 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-347-8491. 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