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Technical Data Sheet
PartsTable / MRO / V1251
V1251 ✓ 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,VARIABLE,GLASS DIELECT. Key specifications include material: COBALT ALLOY HEAD, body_style: PISTON, head_style: FLAT, stem_style: DOUBLE GROOVED, body_length: 0.312 INCHES NOMINAL IN, head_height: 0.1800 INCHES NOMINAL 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 2805-00-354-1988, 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→ V1251
NSN: 2805-00-354-1988
FSC: 2805
CAGE: 95019 — DANA CORP SPICER TRANSMISSION DIV (USA)
SPECIFICATIONS
materialCOBALT ALLOY HEAD
body_stylePISTON
head_styleFLAT
stem_styleDOUBLE GROOVED
body_length0.312 INCHES NOMINAL IN
head_height0.1800 INCHES NOMINAL IN
neck_radius0.3906 INCHES NOMINAL IN
stem_length4.9880 INCHES NOMINAL IN
stem_diameter0.3740 INCHES NOMINAL IN
chamfer_length0.0312 INCHES NOMINAL IN
inclosure_typeENCAPSULATED
overall_length0.457 INCHES NOMINAL IN
NSN2805-00-354-1988
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,GLASS DIELECT TITLE COMPONENT PN V1251 MFR CAPACITOR,VARIABLE,GLA
KEY FEATURES
•
SECOND GROOVE WIDTH: 0.0390 INCHES NOMINAL IN
•
STEM DIAMETER: 0.3740 INCHES NOMINAL IN
•
MATERIAL: COBALT ALLOY HEAD
•
SECOND GROOVE DIAMETER: 0.3130 INCHES NOMINAL IN
•
STEM LENGTH: 4.9880 INCHES NOMINAL IN
•
STEM STYLE: DOUBLE GROOVED
•
NECK RADIUS: 0.3906 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)
SECOND GROOVE WIDTH0.0390 INCHES NOMINAL IN
STEM DIAMETER0.3740 INCHES NOMINAL IN
MATERIALCOBALT ALLOY HEAD
SECOND GROOVE DIAMETER0.3130 INCHES NOMINAL IN
MATERIALSTEEL STEM
STEM LENGTH4.9880 INCHES NOMINAL IN
STEM STYLEDOUBLE GROOVED
NECK RADIUS0.3906 INCHES NOMINAL IN
FIRST GROOVE WIDTH0.0450 INCHES NOMINAL IN
SEAT ANGLE IN DEG30.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
V5044Interchangeable
interchangeable cross-reference
interchangeable
5534Interchangeable
interchangeable cross-reference
interchangeable
969MInterchangeable
interchangeable cross-reference
interchangeable
V1251Interchangeable
interchangeable cross-reference
interchangeable
556146-388Interchangeable
interchangeable cross-reference
interchangeable
1088Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is V1251?
V1251 is a CAPACITOR,VARIABLE,GLASS DIELECT. It is classified as a MRO (MRO_GENERAL).
What parts can replace V1251?
There are 10 known substitutes for V1251: V5044, 5534, 969M and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for V1251?
V1251 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-354-1988. 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