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Technical Data Sheet
PartsTable / COMPONENT / 69668
69668 ✓ Verified by PartsTable
Legrand · 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

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include end_item_identification: ACFT ENG R1820. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-021-3320, 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
69668
NSN: 4720-00-021-3320
FSC: 4720
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
end_item_identificationACFT ENG R1820
NSN4720-00-021-3320
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 69668 · Legrand ⚠ 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 26
1595500Interchangeable
interchangeable cross-reference
interchangeable
NW31841Interchangeable
interchangeable cross-reference
interchangeable
27003Interchangeable
interchangeable cross-reference
interchangeable
69668Interchangeable
interchangeable cross-reference
interchangeable
966PInterchangeable
interchangeable cross-reference
interchangeable
212800R11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 69668?
69668 is a PISTON,INTERNAL COMBUSTION ENGIN manufactured by Legrand.
What parts can replace 69668?
There are 26 known substitutes for 69668: 1595500, NW31841, 27003 and 23 more. Substitute compatibility should be verified for your specific system.
Is 69668 still available?
69668 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