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1861589 — SPACER,RING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1861589: SPACER,RING.

The SPACER,RING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010, inside_diameter: 1.312 INCHES NOMINAL IN, outside_diameter: 1.550 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN, overall_thickness: 0.021 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN, surface_treatment: ZINC. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-262-4762, 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
1861589
NSN: 5365-00-262-4762
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1010
inside_diameter1.312 INCHES NOMINAL IN
outside_diameter1.550 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN
overall_thickness0.021 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
surface_treatmentZINC
NSN5365-00-262-4762
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN 1861589 MFR SPACER,RING
KEY FEATURES
•
OUTSIDE DIAMETER: 1.550 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN
•
OVERALL THICKNESS: 0.021 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 1.312 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC
•
MATERIAL: STEEL COMP 1010
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.550 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN
OVERALL THICKNESS0.021 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
INSIDE DIAMETER1.312 INCHES NOMINAL IN
SURFACE TREATMENTZINC
MATERIALSTEEL COMP 1010
SUBSTITUTES & CROSS-REFERENCES 2
126770Reference document
Same NSN cross-reference
Reference document — Secondary reference
411698Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1861589?
1861589 is a SPACER,RING.
What parts can replace 1861589?
There are 2 known substitutes for 1861589: 126770, 411698. Substitute compatibility should be verified for your specific system.
What is the NSN for 1861589?
1861589 is cataloged in the U.S. Government catalog under NSN 5365-00-262-4762. 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.