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Technical Data Sheet
PartsTable / MRO / M20115
M20115 ✓ Verified by PartsTable
— · 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

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include material: PLASTIC CASE, body_style: W/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE, body_width: 0.510 INCHES MAXIMUM IN, body_height: 0.090 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, body_length: 0.560 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN, hole_diameter: 1.250 INCHES MINIMUM AND 1.250 INCHES MINIMUM AND 1.281 INCHES MAXIMUM1.281 INCHES MAXIMUM 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 5310-00-271-3179, 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→ M20115
NSN: 5310-00-271-3179
FSC: 5310
CAGE: 61038 — VICKERS INC (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleW/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE
body_width0.510 INCHES MAXIMUM IN
body_height0.090 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
body_length0.560 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
hole_diameter1.250 INCHES MINIMUM AND 1.250 INCHES MINIMUM AND 1.281 INCHES MAXIMUM1.281 INCHES MAXIMUM IN
terminal_length1.000 INCHES MINIMUM IN
outside_diameter1.922 INCHES MINIMUM AND 1.922 INCHES MINIMUM AND 1.953 INCHES MAXIMUM1.953 INCHES MAXIMUM IN
style_designatorKEYKEY
terminal_diameter0.032 INCHES NOMINAL IN
material_thickness0.047 INCHES MINIMUM AND 0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM0.078 INCHES MAXIMUM IN
external_key_quantity1313
NSN5310-00-271-3179
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M20115 · OEM ⚠ 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
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.383 INCHES NOMINAL0.383 INCHES NOMINAL IN
•
INTERNAL STRAIGHT KEY WIDTH: 0.234 INCHES MINIMUM AND 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM0.266 INCHES MAXIMUM IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.297 INCHES MINIMUM AND 0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM0.328 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 1313
•
HOLE DIAMETER: 1.250 INCHES MINIMUM AND 1.250 INCHES MINIMUM AND 1.281 INCHES MAXIMUM1.281 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: KEYKEY
•
OVERALL DISTANCE INCLUDING KEYS: 2.422 INCHES MINIMUM AND 2.422 INCHES MINIMUM AND 2.450 INCHES MAXIMUM2.450 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.047 INCHES MINIMUM AND 0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM0.078 INCHES MAXIMUM 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)
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.383 INCHES NOMINAL0.383 INCHES NOMINAL IN
INTERNAL STRAIGHT KEY WIDTH0.234 INCHES MINIMUM AND 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM0.266 INCHES MAXIMUM IN
EXTERNAL STRAIGHT KEY WIDTH0.297 INCHES MINIMUM AND 0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM0.328 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY1313
HOLE DIAMETER1.250 INCHES MINIMUM AND 1.250 INCHES MINIMUM AND 1.281 INCHES MAXIMUM1.281 INCHES MAXIMUM IN
STYLE DESIGNATORKEYKEY
OVERALL DISTANCE INCLUDING KEYS2.422 INCHES MINIMUM AND 2.422 INCHES MINIMUM AND 2.450 INCHES MAXIMUM2.450 INCHES MAXIMUM IN
MATERIAL THICKNESS0.047 INCHES MINIMUM AND 0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM0.078 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
OUTSIDE DIAMETER1.922 INCHES MINIMUM AND 1.922 INCHES MINIMUM AND 1.953 INCHES MAXIMUM1.953 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
20115Interchangeable
interchangeable cross-reference
interchangeable
2410 1-15/64Interchangeable
interchangeable cross-reference
interchangeable
110 1-15/64Interchangeable
interchangeable cross-reference
interchangeable
C12277Interchangeable
interchangeable cross-reference
interchangeable
20115-1NInterchangeable
interchangeable cross-reference
interchangeable
820115-2NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M20115?
M20115 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace M20115?
There are 19 known substitutes for M20115: 20115, 2410 1-15/64, 110 1-15/64 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M20115?
M20115 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-271-3179. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026