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818548-030 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

818548-030: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-338-5551, 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
818548-030
NSN: 5331-01-338-5551
FSC: 5331 — O-ring
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
Part Number818548-030
NSN5331-01-338-5551
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 818548-030 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 8
700-030-433CReference document
Same NSN cross-reference
Reference document — Secondary reference
5331PL2117207Reference document
Same NSN cross-reference
Reference document — Informative reference only
M83248/1-030Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2-030V884-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
645001RR030Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS568Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 818548-030?
818548-030 is a O-RING.
What parts can replace 818548-030?
There are 8 known substitutes for 818548-030: 700-030-433C, 5331PL2117207, M83248/1-030 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 818548-030?
818548-030 is cataloged in the U.S. Government catalog under NSN 5331-01-338-5551. 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.