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Technical Data Sheet
PartsTable / COMPONENT / 810021-15
810021-15 ✓ 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 CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include anode_type: PLAIN FOIL, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 0.848 INCHES NOMINAL IN, body_diameter: 0.385 INCHES NOMINAL IN, overall_length: 0.535 INCHES MAXIMUM IN, mounting_method: THREADED STUD(S). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-01-664-0588, 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
810021-15
NSN: 4710-01-664-0588
FSC: 4710
CAGE: 98255 — DRS SUSTAINMENT SYSTEMS INC (USA)
SPECIFICATIONS
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length0.848 INCHES NOMINAL IN
body_diameter0.385 INCHES NOMINAL IN
overall_length0.535 INCHES MAXIMUM IN
mounting_methodTHREADED STUD(S)
terminal_length1.500 INCHES MINIMUM IN
features_providedHERMETICALLY SEALED CASE
nominal_thread_size0.250 INCHES IN
reliability_indicatorNOT ESTABLISHED
semiconductor_materialSILICON
electrical_polarizationPOLARIZED
NSN4710-01-664-0588
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 810021-15 · 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 8
810021Interchangeable
interchangeable cross-reference
interchangeable
40D206F050DC2Interchangeable
interchangeable cross-reference
interchangeable
810021-000Interchangeable
interchangeable cross-reference
interchangeable
MCR3935-2Interchangeable
interchangeable cross-reference
interchangeable
MCR2935-1Interchangeable
interchangeable cross-reference
interchangeable
0810021Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 810021-15?
810021-15 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 810021-15?
There are 8 known substitutes for 810021-15: 810021, 40D206F050DC2, 810021-000 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 810021-15?
810021-15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-01-664-0588. 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