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288974 — CAPACITOR-RESISTOR

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

288974: CAPACITOR-RESISTOR.

The CAPACITOR-RESISTOR 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 assembly_form: ENCASED, end_item_identification: SE163-AC-MMC-010, 180 KVA CONVERTERS SERIES 500049A A, terminal_type_and_quantity: 2 WIRE LEAD, part_name_assigned_by_controlling_agency: CAPACITOR. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-656-8741, 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
MRO→ MRO_GENERAL→ 288974
NSN: 5340-01-656-8741
NIINs: 016568741, 016928331
FSC: 5340 — Hardware, Commercial
CAGE: 81860 — HUTCHINSON AEROSPACE & INDUSTRY, INC. DBA BARRY WRIGHT CORP (USA)
SPECIFICATIONS
assembly_formENCASED
end_item_identificationSE163-AC-MMC-010, 180 KVA CONVERTERS SERIES 500049A A
terminal_type_and_quantity2 WIRE LEAD
part_name_assigned_by_controlling_agencyCAPACITOR
NSN5340-01-656-8741
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 288974 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness 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
SUBSTITUTES & CROSS-REFERENCES 2
NMM302001-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
NMM302001Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 288974?
288974 is a CAPACITOR-RESISTOR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 288974?
There are 2 known substitutes for 288974: NMM302001-2, NMM302001. Substitute compatibility should be verified for your specific system.
What is the NSN for 288974?
288974 is cataloged in the U.S. Government catalog under NSN 5340-01-656-8741. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.