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Technical Data Sheet
PartsTable / COMPONENT / R3603 1/2IDX3/4OD
R3603 1/2IDX3/4OD ✓ 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 R3603 1/2IDX3/4OD is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-197-4862, 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
R3603 1/2IDX3/4OD
NSN: 4720-00-197-4862
FSC: 4720
CAGE: 61501 — SAINT-GOBAIN PERFORMANCE PLASTICS (USA)
SPECIFICATIONS
Part NumberR3603 1/2IDX3/4OD
NSN4720-00-197-4862
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: R3603 1/2IDX3/4OD · 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 29
11736139Interchangeable
interchangeable cross-reference
interchangeable
6408-25Interchangeable
interchangeable cross-reference
interchangeable
C6408-25Interchangeable
interchangeable cross-reference
interchangeable
E3603/0.094IDX0.1560050FTInterchangeable
interchangeable cross-reference
interchangeable
R3603/0.094IDX0.15600Interchangeable
interchangeable cross-reference
interchangeable
E3603/0.094IDX0.15600Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R3603 1/2IDX3/4OD?
R3603 1/2IDX3/4OD is a R3603 1/2IDX3/4OD.
What parts can replace R3603 1/2IDX3/4OD?
There are 29 known substitutes for R3603 1/2IDX3/4OD: 11736139, 6408-25, C6408-25 and 26 more. Substitute compatibility should be verified for your specific system.
Is R3603 1/2IDX3/4OD still available?
R3603 1/2IDX3/4OD 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