PartsTable
Technical Data Sheet
PartsTable / MRO / 31042
31042 ✓ Verified by PartsTable
Bestway · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The CAPACITOR,FIXED,ELECTROLYTIC is a Bestway cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include length: 0.620 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, anode_type: SOLID, body_style: W/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE, body_width: 0.275 INCHES MAXIMUM IN, pin_length: 0.938 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-007-2991, 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→ 31042
NSN: 5315-00-007-2991
FSC: 5315
CAGE: 92967 — HUTCHENS INDUSTRIES INC (USA)
SPECIFICATIONS
length0.620 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
anode_typeSOLID
body_styleW/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE
body_width0.275 INCHES MAXIMUM IN
pin_length0.938 INCHES MINIMUM IN
point_size0.188 INCHES IN
body_height0.156 INCHES MAXIMUM IN
body_length0.286 INCHES MAXIMUM IN
shank_shapeROUND
largest_width0.125 INCHES SINGLE END IN
overall_width0.187 INCHES IN
NSN5315-00-007-2991
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 31042 · Bestway ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FIRST END STYLE: CHAMFERED
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
MATERIAL: STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1012 OVERALL
•
FIRST END TAPER ANGLE: 25.0 DEGREES NOMINAL
•
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN: 1.750 INCHES NOMINAL IN
•
PIN OVERALL DIAMETER: 1.2500 INCHES NOMINAL IN
•
SECOND END STYLE: SQUARE
•
SECOND HOLE DIAMETER: 0.406 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 (FLIS)
FIRST END STYLECHAMFERED
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
MATERIALSTEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1012 OVERALL
FIRST END TAPER ANGLE25.0 DEGREES NOMINAL
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN1.750 INCHES NOMINAL IN
PIN OVERALL DIAMETER1.2500 INCHES NOMINAL IN
SECOND END STYLESQUARE
SECOND HOLE DIAMETER0.406 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN HOLES5.000 INCHES NOMINAL IN
PIN OVERALL LENGTH7.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
TAM42AInterchangeable
interchangeable cross-reference
interchangeable
31-042Interchangeable
interchangeable cross-reference
interchangeable
DMS 87045BInterchangeable
interchangeable cross-reference
interchangeable
B107.48 TY2CL5Interchangeable
interchangeable cross-reference
interchangeable
75EInterchangeable
interchangeable cross-reference
interchangeable
21705Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 31042?
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 31042?
31042 is a CAPACITOR,FIXED,ELECTROLYTIC manufactured by Bestway. It is classified as a MRO (MRO_GENERAL).
What parts can replace 31042?
There are 14 known substitutes for 31042: TAM42A, 31-042, DMS 87045B and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31042?
31042 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-007-2991. 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 — 31042

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