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Technical Data Sheet
PartsTable / COMPONENT / KNF-1-5-N-1
KNF-1-5-N-1 ✓ 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 CONNECTING LINK,RIGID is a the manufacturer industrial component. Key specifications include material: FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR REINFORCING CORD, wall_thickness: 0.060 INCHES NOMINAL IN, connection_type: SOFT BOTH ENDS, inside_diameter: 1.750 INCHES NOMINAL FIRST END IN, connection_style: ROUND BOTH ENDS, special_features: VIBRATION,SOLVENT,WATER,FLAME,AND FUNGUS RESISTANT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-001-1678, 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
KNF-1-5-N-1
NSN: 4720-00-001-1678
FSC: 4720
CAGE: 75345 — KIRKHILL, INC. DBA KIRKHILL INC (USA)
SPECIFICATIONS
materialFIBERGLASS AND RUBBER CHLOROPRENE CLASS CR REINFORCING CORD
wall_thickness0.060 INCHES NOMINAL IN
connection_typeSOFT BOTH ENDS
inside_diameter1.750 INCHES NOMINAL FIRST END IN
connection_styleROUND BOTH ENDS
special_featuresVIBRATION,SOLVENT,WATER,FLAME,AND FUNGUS RESISTANT
style_designatorHELICALLY WOUND CONTINOUS WIRE SUPPORTED
end_overall_length1.550 INCHES NOMINAL BOTH ENDS IN
operating_pressure16.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
end_inside_diameter1.750 INCHES NOMINAL BOTH ENDS IN
cross-sectional_shape_styleROUND
measuring_method_and_length18.000 INCHES NOMINAL OVERALL IN
NSN4720-00-001-1678
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: KNF-1-5-N-1 · 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
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OPERATING PRESSURE: 16.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
MEASURING METHOD AND LENGTH: 4.500 INCHES NOMINAL OVERALL IN
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 2 CLASS
•
MATERIAL: STEEL REINFORCING WIRE
•
SPECIFICATION/STANDARD DATA: 81349-MIL-H-8796 GOVERNMENT SPECIFICATION
•
STYLE DESIGNATOR: HELICALLY WOUND CONTINOUS WIRE SUPPORTED
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
OPERATING PRESSURE16.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
MEASURING METHOD AND LENGTH4.500 INCHES NOMINAL OVERALL IN
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 2 CLASS
MATERIALSTEEL REINFORCING WIRE
SPECIFICATION/STANDARD DATA81349-MIL-H-8796 GOVERNMENT SPECIFICATION
STYLE DESIGNATORHELICALLY WOUND CONTINOUS WIRE SUPPORTED
MATERIALFIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST PLY
MATERIALFIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY
MATERIALFIBERGLASS AND RUBBER CHLOROPRENE CLASS CR THIRD PLY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
123W50901-1Interchangeable
interchangeable cross-reference
interchangeable
123W50901Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-8796Interchangeable
interchangeable cross-reference
interchangeable
GD10A6C10Interchangeable
interchangeable cross-reference
interchangeable
KNF-1-5-N-1Interchangeable
interchangeable cross-reference
interchangeable
CEETS-7-72-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KNF-1-5-N-1?
KNF-1-5-N-1 is a CONNECTING LINK,RIGID.
What parts can replace KNF-1-5-N-1?
There are 24 known substitutes for KNF-1-5-N-1: 123W50901-1, 123W50901, MIL-H-8796 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KNF-1-5-N-1?
KNF-1-5-N-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-001-1678. 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