PartsTable
Technical Data Sheet
PartsTable / MRO / 1531-401
1531-401 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include body_style: HOLE MOUNTED, body_width: 0.562 INCHES NOMINAL IN, body_height: 1.625 INCHES NOMINAL IN, body_length: 1.750 INCHES NOMINAL IN, actuator_style: LEAF, inclosure_type: FULLY INCLOSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-893-0877, 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→ 1531-401
NSN: 5910-00-893-0877
FSC: 5910
CAGE: 24655 — GENRAD INC (USA)
SPECIFICATIONS
body_styleHOLE MOUNTED
body_width0.562 INCHES NOMINAL IN
body_height1.625 INCHES NOMINAL IN
body_length1.750 INCHES NOMINAL IN
actuator_styleLEAF
inclosure_typeFULLY INCLOSED
mounting_methodUNTHREADED HOLE(S)
terminal_length1.750 INCHES NOMINAL IN
actuator_movement0.030 PRETRAVEL INCHES MAXIMUM AND 0.008 OVERTRAVEL INCHES MINIMUM AND 0.006 DIFFERENTIAL INCHES MAXIMUM
features_providedHERMETICALLY SEALED CASE
nominal_thread_size0.138 INCHES IN
switch_release_force1.0 OUNCES MINIMUM OZ
NSN5910-00-893-0877
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 1531-401 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 1.906 INCHES NOMINAL IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 THREADED MOUNTING STUDS
•
BODY WIDTH: 0.562 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
CAPACITANCE VALUE PER SECTION: 0.220 MICROFARADS SINGLE SECTION
•
BODY HEIGHT: 1.625 INCHES NOMINAL IN
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
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 (FLIS)
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH1.906 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED MOUNTING STUDS
BODY WIDTH0.562 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.138 INCHES IN
CAPACITANCE VALUE PER SECTION0.220 MICROFARADS SINGLE SECTION
BODY HEIGHT1.625 INCHES NOMINAL IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
TOLERANCE RANGE PER SECTION-10.00 TO 10.00 PERCENT SINGLE SECTION
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
61335-502Interchangeable
interchangeable cross-reference
interchangeable
2369Interchangeable
interchangeable cross-reference
interchangeable
S549-100Interchangeable
interchangeable cross-reference
interchangeable
O-C-265Interchangeable
interchangeable cross-reference
interchangeable
1N4193AInterchangeable
interchangeable cross-reference
interchangeable
1531401Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 1531-401?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1531-401?
1531-401 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1531-401?
There are 8 known substitutes for 1531-401: 61335-502, 2369, S549-100 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1531-401?
1531-401 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-893-0877. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1531-401

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026