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PartsTable / COMPONENT / 651 1-4
651 1-4 ✓ 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,FIXED,PAPER DIELECTRIC. Key specifications include material: STEEL, dial_size: 2 IN. DIA IN, thickness: 0.812 INCHES MINIMUM AND 0.835 INCHES MAXIMUM IN, scale_name: PRESSURE, scale_type: SINGLE, bonnet_type: INSIDE SCREW.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6620-00-514-3829, 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
651 1-4
NSN: 6620-00-514-3829
FSC: 6620
CAGE: 16004 — DAVEY COMPRESSOR CO DIV OF KECO INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL
dial_size2 IN. DIA IN
thickness0.812 INCHES MINIMUM AND 0.835 INCHES MAXIMUM IN
scale_namePRESSURE
scale_typeSINGLE
bonnet_typeINSIDE SCREW
neck_height0.312 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
scale_range+0.0 TO 100.0 POUNDS PRESSURE PER SQUARE INCH LBS
pointer_typeINDICATING
socket_depth0.562 INCHES NOMINAL IN
usage_designFOR USE W/OIL
adjustabilityNONADJUSTABLE
NSN6620-00-514-3829
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 651 1-4 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
OVERALL DIAMETER: 2.250 INCHES NOMINAL IN
•
MATERIAL: GLASS PROTECTIVE CRYSTAL
•
SURFACE TREATMENT: ENAMEL CASE
•
STUD QUANTITY: 2
•
CONNECTION QUANTITY: 1
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 DIAMETER2.250 INCHES NOMINAL IN
OVERALL DEPTH0.875 INCHES NOMINAL IN
MATERIALGLASS PROTECTIVE CRYSTAL
MATERIALBRASS ACTUATING ELEMENT
SURFACE TREATMENTENAMEL CASE
MATERIALSTEEL CASE
STUD QUANTITY2
CONNECTION QUANTITY1
SCALE SMALLEST INCREMENT5.0 POUNDS LBS
USAGE DESIGNFOR USE W/OIL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
2550-108Interchangeable
interchangeable cross-reference
interchangeable
62085Interchangeable
interchangeable cross-reference
interchangeable
15168Interchangeable
interchangeable cross-reference
interchangeable
655E17Interchangeable
interchangeable cross-reference
interchangeable
8328157Interchangeable
interchangeable cross-reference
interchangeable
GGG-T-70Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 651 1-4?
651 1-4 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace 651 1-4?
There are 25 known substitutes for 651 1-4: 2550-108, 62085, 15168 and 22 more. Substitute compatibility should be verified for your specific system.
Is 651 1-4 still available?
651 1-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026