PartsTable
Technical Data Sheet
18946-1N ✓ Verified by PartsTable
· COMPONENT
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,VARIABLE,AIR DIELECTRI. Key specifications include material: COPPER ALLOY OVERALL, overall_width: 1.520 INCHES IN, overall_length: 1.840 INCHES IN, special_features: NEGATIVE RIGHT HAND, basic_shape_style: BATTERY POST, mounting_method_style: POST CLAMP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-01-172-7915, 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
18946-1N
NSN: 5940-01-172-7915
FSC: 5940
CAGE: 05573 — BARNES GROUP INC. DBA BARNES DISTRIBUTION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
overall_width1.520 INCHES IN
overall_length1.840 INCHES IN
special_featuresNEGATIVE RIGHT HAND
basic_shape_styleBATTERY POST
mounting_method_stylePOST CLAMP
mounting_facility_thickness0.676 INCHES IN
conductor_accommodation_typeSTRAIGHT BARREL SINGLE END
electrical_insulation_featureUNINSULATED
tapered_mounting_major_diameter0.645 INCHES IN
tapered_mounting_minor_diameter0.635 INCHES IN
maximum_conductor_size_accommodated000 AWG
NSN5940-01-172-7915
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 18946-1N MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
ELECTRICAL INSULATION FEATURE: UNINSULATED
MATERIAL: COPPER ALLOY OVERALL
CONDUCTOR ACCOMMODATION TYPE: STRAIGHT BARREL SINGLE END
TAPERED MOUNTING MAJOR DIAMETER: 0.645 INCHES IN
MAXIMUM CONDUCTOR SIZE ACCOMMODATED: 000 AWG
BASIC SHAPE STYLE: BATTERY POST
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)
OVERALL LENGTH1.840 INCHES IN
ELECTRICAL INSULATION FEATUREUNINSULATED
MATERIALCOPPER ALLOY OVERALL
SPECIAL FEATURESNEGATIVE RIGHT HAND
CONDUCTOR ACCOMMODATION TYPESTRAIGHT BARREL SINGLE END
TAPERED MOUNTING MAJOR DIAMETER0.645 INCHES IN
MAXIMUM CONDUCTOR SIZE ACCOMMODATED000 AWG
BASIC SHAPE STYLEBATTERY POST
OVERALL WIDTH1.520 INCHES IN
MOUNTING METHOD STYLEPOST CLAMP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
12-260Interchangeable
interchangeable cross-reference
interchangeable
205181-12Interchangeable
interchangeable cross-reference
interchangeable
NGX18609-3Interchangeable
interchangeable cross-reference
interchangeable
B94.11MInterchangeable
interchangeable cross-reference
interchangeable
2012-T 60Interchangeable
interchangeable cross-reference
interchangeable
503-S 60Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 18946-1N?
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 18946-1N?
18946-1N is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace 18946-1N?
There are 22 known substitutes for 18946-1N: 12-260, 205181-12, NGX18609-3 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18946-1N?
18946-1N is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-01-172-7915. 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 — 18946-1N