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PartsTable / COMPONENT / 266994C1
266994C1 ✓ 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

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include diameter: 1.600 INCHES NOMINAL IN, material: COPPER ALLOY, body_style: BUTTON TYPE, W/O MTG TABS, face_width: 0.156 INCHES NOMINAL IN, body_length: 0.069 INCHES NOMINAL IN, handle_type: HANDWHEEL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-990-1681, 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
266994C1
NSN: 4720-00-990-1681
FSC: 4720
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
diameter1.600 INCHES NOMINAL IN
materialCOPPER ALLOY
body_styleBUTTON TYPE, W/O MTG TABS
face_width0.156 INCHES NOMINAL IN
body_length0.069 INCHES NOMINAL IN
handle_typeHANDWHEEL
model_numberM23
valve_handleINCLUDED
body_diameter0.445 INCHES NOMINAL IN
document_typeSUPPLY MANUAL
terminal_typeSOLDER STUD
overall_height0.219 INCHES NOMINAL IN
NSN4720-00-990-1681
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 266994C1 · 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
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
501P06080000AMBInterchangeable
interchangeable cross-reference
interchangeable
876105-012Interchangeable
interchangeable cross-reference
interchangeable
511-061800-00Interchangeable
interchangeable cross-reference
interchangeable
54B6878H47Interchangeable
interchangeable cross-reference
interchangeable
816718Interchangeable
interchangeable cross-reference
interchangeable
MS51846-24Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 266994C1?
266994C1 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace 266994C1?
There are 25 known substitutes for 266994C1: 501P06080000AMB, 876105-012, 511-061800-00 and 22 more. Substitute compatibility should be verified for your specific system.
Is 266994C1 still available?
266994C1 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