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1290-1 — CAPACITOR,FIXED,ELECTROLYTIC

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

1290-1: 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 material: COPPER ALLOY OVERALL, body_style: W/O MTG FACILITIES, TERMINAL(S) ON ONE END, body_length: 4.375 INCHES NOMINAL IN, corner_shape: SQUARE ALL CORNERS, current_type: DC INPUT, specific_use: WINCH AND CRANE POWER UNIT LONG SHAFT FOR MODEL WA/WL 3000 HD. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-021-3426, 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→ 1290-1
NSN: 5340-00-021-3426
NIINs: 000213426, 000910494, 001085375, 001873533, 001984688, 004451720, 007791875, 010850695, 012264070, 013722639, 014499300, 016530316, 016875043, 017308613, 017308616, 017309485
FSC: 5340 — Hardware, Commercial
CAGE: 71279 — INTERCONNECTION PRODUCTS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE END
body_length4.375 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
current_typeDC INPUT
specific_useWINCH AND CRANE POWER UNIT LONG SHAFT FOR MODEL WA/WL 3000 HD
body_diameter2.000 INCHES NOMINAL IN
overall_depth11.813 INCHES NOMINAL IN
overall_width10.938 INCHES NOMINAL IN
overall_length1.2500 INCHES NOMINAL IN
handle_clearance1.250 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
NSN5340-00-021-3426
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1290-1 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
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 2
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 2.000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
HANDLE CLEARANCE: 1.250 INCHES NOMINAL IN
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
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY QUANTITY2
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH2.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH2.250 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.164 INCHES IN
HANDLE CLEARANCE1.250 INCHES NOMINAL IN
SPECIAL FEATURESBLACK ANODIZE
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY 2011 OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
1619Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
752-5759-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
415-1290-01-14-00Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1290-1?
1290-1 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1290-1?
There are 3 known substitutes for 1290-1: 1619, 752-5759-1, 415-1290-01-14-00. Substitute compatibility should be verified for your specific system.
What is the NSN for 1290-1?
1290-1 is cataloged in the U.S. Government catalog under NSN 5340-00-021-3426. 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.