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Technical Data Sheet
PartsTable / COMPONENT / 3875-20ALT3PC42H
3875-20ALT3PC42H ✓ 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

HEATING ELEMENT,ELECTRICAL,IMMER. Key specifications include material: PLASTIC POLYVINYL CHLORIDE (PVC) TUBE, flexibility: FLEXIBLE, exterior_color: NATURAL, inside_diameter: 0.250 INCHES NOMINAL IN, outside_diameter: 0.500 INCHES NOMINAL IN, inside_surface_condition: SMOOTH. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-641-4406, 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
3875-20ALT3PC42H
NSN: 4720-00-641-4406
FSC: 4720
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialPLASTIC POLYVINYL CHLORIDE (PVC) TUBE
flexibilityFLEXIBLE
exterior_colorNATURAL
inside_diameter0.250 INCHES NOMINAL IN
outside_diameter0.500 INCHES NOMINAL IN
inside_surface_conditionSMOOTH
cross-sectional_shape_styleROUND
measuring_method_and_length1200.000 INCHES NOMINAL OVERALL IN
NSN4720-00-641-4406
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 3875-20ALT3PC42H · 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
•
MEASURING METHOD AND LENGTH: 1200.000 INCHES NOMINAL OVERALL IN
•
FLEXIBILITY: FLEXIBLE
•
EXTERIOR COLOR: NATURAL
•
INSIDE SURFACE CONDITION: SMOOTH
•
INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYVINYL CHLORIDE (PVC) TUBE
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
MEASURING METHOD AND LENGTH1200.000 INCHES NOMINAL OVERALL IN
FLEXIBILITYFLEXIBLE
EXTERIOR COLORNATURAL
INSIDE SURFACE CONDITIONSMOOTH
INSIDE DIAMETER0.250 INCHES NOMINAL IN
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) TUBE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
K1-3101-1001284AInterchangeable
interchangeable cross-reference
interchangeable
TM14X117Interchangeable
interchangeable cross-reference
interchangeable
571-6202-1301776REVAPCLN966Interchangeable
interchangeable cross-reference
interchangeable
340-6504-1002306Interchangeable
interchangeable cross-reference
interchangeable
564-3101-937728LInterchangeable
interchangeable cross-reference
interchangeable
569-4800-1189798Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3875-20ALT3PC42H?
3875-20ALT3PC42H is a HEATING ELEMENT,ELECTRICAL,IMMER.
What parts can replace 3875-20ALT3PC42H?
There are 14 known substitutes for 3875-20ALT3PC42H: K1-3101-1001284A, TM14X117, 571-6202-1301776REVAPCLN966 and 11 more. Substitute compatibility should be verified for your specific system.
Is 3875-20ALT3PC42H still available?
3875-20ALT3PC42H 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