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PartsTable / COMPONENT / 4172343
4172343 ✓ 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 end_item_identification: OVERHAUL KIT, HOLDBACK ASSEMBLY; F/A-18 FIGHTER SUPPORT AIRCRAFT, criticality_code_justification: FEAT, part_name_assigned_by_controlling_agency: PARTS KIT, HOLDBACK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-649-6855, 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
4172343
NSN: 4720-01-649-6855
FSC: 4720
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
special_featuresTHE ITEM IS A NON-AVIATION CRITICAL SAFETY ITEM (CSI) WHOSE FAILURE WILL RESULT IN SERIOUS DAMAGE TO EQUIPEMENT OR SERIOUS INJURY OR DEATH TO PERSONNEL.
end_item_identificationOVERHAUL KIT, HOLDBACK ASSEMBLY; F/A-18 FIGHTER SUPPORT AIRCRAFT
criticality_code_justificationFEAT
part_name_assigned_by_controlling_agencyPARTS KIT, HOLDBACK
NSN4720-01-649-6855
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 4172343 · 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 4
3767121Interchangeable
interchangeable cross-reference
interchangeable
3074Interchangeable
interchangeable cross-reference
interchangeable
300019Interchangeable
interchangeable cross-reference
interchangeable
3000-13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4172343?
4172343 is a TUBING,NONMETALLIC.
What parts can replace 4172343?
There are 4 known substitutes for 4172343: 3767121, 3074, 300019 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4172343?
4172343 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-649-6855. 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