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Technical Data Sheet
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18648 8IN — 18648 8IN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

18648 8IN: 18648 8IN.

The 18648 8IN is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-457-4020, 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
18648 8IN
NSN: 5330-01-457-4020
FSC: 5330 — Packing and Gasket Materials
CAGE: 0APJ5 — COFFIN TURBO PUMP INC (USA)
SPECIFICATIONS
Part Number18648 8IN
NSN5330-01-457-4020
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18648 8IN 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
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 10.875 INCHES NOMINAL IN
•
APERTURE DIAMETER: 10.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
OUTSIDE DIAMETER10.875 INCHES NOMINAL IN
APERTURE DIAMETER10.000 INCHES NOMINAL IN
SPECIAL FEATURESMATERIAL SPECIFIED AS CRANITE
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 18648 8IN?
18648 8IN is a 18648 8IN.
What is the NSN for 18648 8IN?
18648 8IN is cataloged in the U.S. Government catalog under NSN 5330-01-457-4020. 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.