PartsTable
Technical Data Sheet
PartsTable / MRO / 651
651 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include lever: INCLUDED, shape: CYLINDRICAL, plated: PLATED, spigot: INCLUDED, weight: 5.000 OUNCES OZ, end_type: COMPRESSION RING AND NUT FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-051-4653, 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→ 651
NSN: 5340-00-051-4653
FSC: 5340
CAGE: 83330 — DIALIGHT CORPORATION (USA)
SPECIFICATIONS
leverINCLUDED
shapeCYLINDRICAL
platedPLATED
spigotINCLUDED
weight5.000 OUNCES OZ
end_typeCOMPRESSION RING AND NUT FIRST END
materialSTEEL
thickness0.688 INCHES NOMINAL IN
blade_lockINCLUDED
body_styleBUTTON TYPE, W/O MTG TABS
body_width1.250 INCHES NOMINAL IN
chain_size0.250 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
NSN5340-00-051-4653
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 651 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.060 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STANDARD
•
HEAD OUTSIDE DIAMETER: 0.440 INCHES NOMINAL IN
•
PRONG QUANTITY: 6
•
MATERIAL ACCOMMODATED THICKNESS: 0.198 INCHES NOMINAL IN
•
SURFACE TREATMENT: NICKEL
•
HOLE ACCOMMODATION DIAMETER: 0.310 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)
HEAD HEIGHT0.060 INCHES NOMINAL IN
STYLE DESIGNATORSTANDARD
HEAD OUTSIDE DIAMETER0.440 INCHES NOMINAL IN
PRONG QUANTITY6
MATERIAL ACCOMMODATED THICKNESS0.198 INCHES NOMINAL IN
SURFACE TREATMENTNICKEL
OVERALL HEIGHT0.250 INCHES NOMINAL IN
HOLE ACCOMMODATION DIAMETER0.310 INCHES NOMINAL IN
MATERIALSTEEL
PRONG OUTSIDE DIAMETER0.330 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES

No verified substitutes available.

LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 651?
651 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 651?
651 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-051-4653. 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