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Technical Data Sheet
PartsTable / COMPONENT / 18860F4
18860F4 ✓ 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 TUBING,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: ASBESTOS FRICTION LINING, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, flexibility: FLEXIBLE, temp_rating: -49.0 FAHRENHEIT AND 165.0 FAHRENHEIT SINGLE RESPONSE DEGF, exterior_color: CLEAR, inside_diameter: 0.375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-137-9216, 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
18860F4
NSN: 4720-00-137-9216
FSC: 4720
CAGE: 15481 — CURTIN MATHESON SCIENTIFIC INC (USA)
SPECIFICATIONS
materialASBESTOS FRICTION LINING
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
flexibilityFLEXIBLE
temp_rating-49.0 FAHRENHEIT AND 165.0 FAHRENHEIT SINGLE RESPONSE DEGF
coil_quantity7
exterior_colorCLEAR
inside_diameter0.375 INCHES NOMINAL IN
actuation_methodCAM INTERNAL
application_typeDRY
outside_diameter0.500 INCHES NOMINAL IN
segment_quantity1
style_designatorCYLINDRICAL
NSN4720-00-137-9216
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 18860F4 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
74995Interchangeable
interchangeable cross-reference
interchangeable
B44-3-3/16IDX5/16ODInterchangeable
interchangeable cross-reference
interchangeable
B44-3Interchangeable
interchangeable cross-reference
interchangeable
75-310-700Interchangeable
interchangeable cross-reference
interchangeable
77716Interchangeable
interchangeable cross-reference
interchangeable
248170Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18860F4?
18860F4 is a TUBING,NONMETALLIC.
What parts can replace 18860F4?
There are 9 known substitutes for 18860F4: 74995, B44-3-3/16IDX5/16OD, B44-3 and 6 more. Substitute compatibility should be verified for your specific system.
Is 18860F4 still available?
18860F4 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