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18486-1 — PARTS KIT,MARKER BUOY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

18486-1: PARTS KIT,MARKER BUOY.

The PARTS KIT,MARKER BUOY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, end_similarity: NOT IDENTICAL, overall_length: 2.453 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES, first_end_style: CIRCULAR GROOVED, second_end_style: CIRCULAR GROOVED. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-225-2809, 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
18486-1
NSN: 5330-00-225-2809
NIINs: 002252809, 005792556, 008401079, 012314759
FSC: 5330 — Packing and Gasket Materials
CAGE: 55820 — RTX CORPORATION DIV PRATT & WHITNEY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
end_similarityNOT IDENTICAL
overall_length2.453 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES
first_end_styleCIRCULAR GROOVED
second_end_styleCIRCULAR GROOVED
first_end_diameter0.1250 INCHES NOMINAL IN
second_end_diameter0.1250 INCHES NOMINAL IN
first_end_groove_width0.0180 INCHES NOMINAL IN
second_end_groove_width0.0180 INCHES NOMINAL IN
first_end_groove_diameter0.0950 INCHES NOMINAL IN
second_end_groove_diameter0.0950 INCHES NOMINAL IN
NSN5330-00-225-2809
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18486-1 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
SUBSTITUTES & CROSS-REFERENCES 1
18010-500Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 18486-1?
18486-1 is a PARTS KIT,MARKER BUOY.
What parts can replace 18486-1?
There is 1 known substitute for 18486-1: 18010-500. Substitute compatibility should be verified for your specific system.
What is the NSN for 18486-1?
18486-1 is cataloged in the U.S. Government catalog under NSN 5330-00-225-2809. 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.