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Technical Data Sheet
PartsTable / COMPONENT / A21561
A21561 ✓ 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,PAPER DIELECTRIC. Key specifications include material: RUBBER SYNTHETIC TUBE, inside_surface_condition: SMOOTH, measuring_method_and_length: 48.000 INCHES NOMINAL OVERALL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-847-1710, 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
A21561
NSN: 4720-00-847-1710
FSC: 4720
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC TUBE
inside_surface_conditionSMOOTH
measuring_method_and_length48.000 INCHES NOMINAL OVERALL IN
NSN4720-00-847-1710
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: A21561 · 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 26
8314Interchangeable
interchangeable cross-reference
interchangeable
52502Interchangeable
interchangeable cross-reference
interchangeable
14831Interchangeable
interchangeable cross-reference
interchangeable
7951-1Interchangeable
interchangeable cross-reference
interchangeable
C08696Interchangeable
interchangeable cross-reference
interchangeable
1314Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A21561?
A21561 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace A21561?
There are 26 known substitutes for A21561: 8314, 52502, 14831 and 23 more. Substitute compatibility should be verified for your specific system.
Is A21561 still available?
A21561 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