290-037 — CAPACITOR,FIXED,ELECTROLYTIC

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

290-037: CAPACITOR,FIXED,ELECTROLYTIC.

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/MTG TAB(S), TERMINAL(S) ON ONE END, body_length: 2.500 INCHES NOMINAL IN, body_diameter: 1.000 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED, electrical_polarization: POLARIZED. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-137-0043, 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→ 290-037

NSN: 5325-00-137-0043
NIINs: 001370043, 006486930
FSC: 5325 — Fastening Devices
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)

SPECIFICATIONS

anode_type	PLAIN FOIL
body_style	W/MTG TAB(S), TERMINAL(S) ON ONE END
body_length	2.500 INCHES NOMINAL IN
body_diameter	1.000 INCHES NOMINAL IN
section_quantity	2
reliability_indicator	NOT ESTABLISHED
electrical_polarization	POLARIZED
terminal_type_and_quantity	2 TAB, SOLDER LUG
schematic_diagram_designator	ELECTRODE(S) GROUNDED TO CASE
capacitance_value_per_section	20.000 MICROFARADS ALL SECTIONS
unthreaded_mounting_hole_diameter	0.160 INCHES NOMINAL IN
mounting_facility_type_and_quantity	2 UNTHREADED MOUNTING HOLES
NSN	5325-00-137-0043

COMPONENT DIAGRAM

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

CA2889-4-8PReference document

Same NSN cross-reference

Reference document — Design control — primary reference

290-037-1012Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 290-037?

290-037 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).

What parts can replace 290-037?

There are 2 known substitutes for 290-037: CA2889-4-8P, 290-037-1012. Substitute compatibility should be verified for your specific system.

What is the NSN for 290-037?

290-037 is cataloged in the U.S. Government catalog under NSN 5325-00-137-0043. This indicates validated use in U.S. government and defense supply chains.

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290-037 — CAPACITOR,FIXED,ELECTROLYTIC

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