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Technical Data Sheet
PartsTable / COMPONENT / 703-7300409 ITEM NO. 17
703-7300409 ITEM NO. 17 ✓ 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 703-7300409 ITEM NO. 17 is a the manufacturer industrial component. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-493-1751, 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
703-7300409 ITEM NO. 17
NSN: 4720-01-493-1751
FSC: 4720
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number703-7300409 ITEM NO. 17
NSN4720-01-493-1751
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 703-7300409 ITEM NO. 17 · 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 11
18501Interchangeable
interchangeable cross-reference
interchangeable
185-0-1AInterchangeable
interchangeable cross-reference
interchangeable
8D049XMR200Interchangeable
interchangeable cross-reference
interchangeable
5105-43HInterchangeable
interchangeable cross-reference
interchangeable
10653Interchangeable
interchangeable cross-reference
interchangeable
AC0180-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 703-7300409 ITEM NO. 17?
703-7300409 ITEM NO. 17 is a 703-7300409 ITEM NO. 17.
What parts can replace 703-7300409 ITEM NO. 17?
There are 11 known substitutes for 703-7300409 ITEM NO. 17: 18501, 185-0-1A, 8D049XMR200 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 703-7300409 ITEM NO. 17?
703-7300409 ITEM NO. 17 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-493-1751. 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