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810-4384681-A-20 — SPACER,RING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

810-4384681-A-20: SPACER,RING.

The SPACER,RING is a the manufacturer industrial component. Key specifications include material: STEEL, surface_finish: 63.0 MICROINCHES LEFT SIDE, inside_diameter: 2.125 INCHES NOMINAL IN, outside_diameter: 2.521 INCHES MINIMUM AND 2.526 INCHES MAXIMUM IN, special_features: FOUR HOLES DRILLED 0.125 IN. DIA IN, overall_thickness: 0.579 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5365-01-133-6201, 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
810-4384681-A-20
NSN: 5365-01-133-6201
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL
surface_finish63.0 MICROINCHES LEFT SIDE
inside_diameter2.125 INCHES NOMINAL IN
outside_diameter2.521 INCHES MINIMUM AND 2.526 INCHES MAXIMUM IN
special_featuresFOUR HOLES DRILLED 0.125 IN. DIA IN
overall_thickness0.579 INCHES NOMINAL IN
NSN5365-01-133-6201
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN 810-4384681-A-20 MFR SPACER,RING
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER
•
OUTSIDE DIAMETER: 2.521 INCHES MINIMUM AND 2.526 INCHES MAXIMUM IN
•
OVERALL THICKNESS: 0.579 INCHES NOMINAL IN
•
INSIDE DIAMETER: 2.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES LARGEST OUTSIDE DIAMETER
SURFACE FINISH63.0 MICROINCHES RIGHT SIDE
SURFACE FINISH63.0 MICROINCHES LEFT SIDE
SURFACE FINISH125.0 MICROINCHES BORE
OUTSIDE DIAMETER2.521 INCHES MINIMUM AND 2.526 INCHES MAXIMUM IN
OVERALL THICKNESS0.579 INCHES NOMINAL IN
INSIDE DIAMETER2.125 INCHES NOMINAL IN
SPECIAL FEATURESFOUR HOLES DRILLED 0.125 IN. DIA IN
MATERIALSTEEL
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
803-4384681-A-2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 810-4384681-A-20?
810-4384681-A-20 is a SPACER,RING.
What parts can replace 810-4384681-A-20?
There is 1 known substitute for 810-4384681-A-20: 803-4384681-A-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 810-4384681-A-20?
810-4384681-A-20 is cataloged in the U.S. Government catalog under NSN 5365-01-133-6201. 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.