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D6558 — SPACER,RING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

D6558: SPACER,RING.

The SPACER,RING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, surface_finish: 160.0 MICROINCHES LEFT SIDE, inside_diameter: 5.008 INCHES MINIMUM AND 5.009 INCHES MAXIMUM IN, outside_diameter: 5.502 INCHES MINIMUM AND 5.503 INCHES MAXIMUM IN, overall_thickness: 1.250 INCHES NOMINAL IN, material_document_and_classification: MIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-477-4833, 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
D6558
NSN: 5365-00-477-4833
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 55102 — CONTINENTAL EMSCO CO SKAGIT PRODUCTS DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY
surface_finish160.0 MICROINCHES LEFT SIDE
inside_diameter5.008 INCHES MINIMUM AND 5.009 INCHES MAXIMUM IN
outside_diameter5.502 INCHES MINIMUM AND 5.503 INCHES MAXIMUM IN
overall_thickness1.250 INCHES NOMINAL IN
material_document_and_classificationMIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5365-00-477-4833
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN D6558 MFR SPACER,RING
KEY FEATURES
•
SURFACE FINISH: 160.0 MICROINCHES LEFT SIDE
•
OUTSIDE DIAMETER: 5.502 INCHES MINIMUM AND 5.503 INCHES MAXIMUM IN
•
OVERALL THICKNESS: 1.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE
•
INSIDE DIAMETER: 5.008 INCHES MINIMUM AND 5.009 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
SURFACE FINISH160.0 MICROINCHES LEFT SIDE
SURFACE FINISH160.0 MICROINCHES RIGHT SIDE
OUTSIDE DIAMETER5.502 INCHES MINIMUM AND 5.503 INCHES MAXIMUM IN
OVERALL THICKNESS1.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE
INSIDE DIAMETER5.008 INCHES MINIMUM AND 5.009 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY
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

No substitute or cross-reference records for this part.

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 D6558?
D6558 is a SPACER,RING.
What is the NSN for D6558?
D6558 is cataloged in the U.S. Government catalog under NSN 5365-00-477-4833. 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.