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124-1678566 PC 18 — SPACER,TAPERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

124-1678566 PC 18: SPACER,TAPERED.

The SPACER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include minor_height: 0.125 INCHES NOMINAL IN, outside_diameter: 1.750 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.188 INCHES NOMINAL IN, cross-sectional_height: 0.406 INCHES NOMINAL IN, end_item_identification: HATCHES AND HULL DOORS. This part is cataloged in the U.S.

Government catalog under NSN 5365-01-480-4810, 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
124-1678566 PC 18
NSN: 5365-01-480-4810
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
minor_height0.125 INCHES NOMINAL IN
outside_diameter1.750 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.188 INCHES NOMINAL IN
cross-sectional_height0.406 INCHES NOMINAL IN
end_item_identificationHATCHES AND HULL DOORS
NSN5365-01-480-4810
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,TAPERED TITLE COMPONENT PN 124-1678566 PC 18 MFR SPACER,TAPERED
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.406 INCHES NOMINAL IN
•
MINOR HEIGHT: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.188 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.406 INCHES NOMINAL IN
MINOR HEIGHT0.125 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER1.750 INCHES NOMINAL IN
APERTURE DIAMETER1.188 INCHES NOMINAL IN
END ITEM IDENTIFICATIONHATCHES AND HULL DOORS
OTHER ITEMS IN FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078 5365-00-000-7436 5365-00-001-1292 5365-00-001-1365 5365-00-001-1841 5365-00-001-1915 5365-00-001-1916 5365-00-001-1940
SUBSTITUTES & CROSS-REFERENCES 1
124-1678562 PC 264Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 124-1678566 PC 18?
124-1678566 PC 18 is a SPACER,TAPERED.
What parts can replace 124-1678566 PC 18?
There is 1 known substitute for 124-1678566 PC 18: 124-1678562 PC 264. Substitute compatibility should be verified for your specific system.
What is the NSN for 124-1678566 PC 18?
124-1678566 PC 18 is cataloged in the U.S. Government catalog under NSN 5365-01-480-4810. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.