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ORMA000579XXXMA — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ORMA000579XXXMA: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 299.3 MILLIMETERS NOMINAL MM, cross-sectional_height: 5.7 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-425-1878, 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
ORMA000579XXXMA
NSN: 5331-01-425-1878
FSC: 5331 — O-ring
CAGE: 09257 — TRELLEBORG SEALING SOLUTIONS US, INC. (USA)
SPECIFICATIONS
hardness_rating70.0 SHORE DUROMETER A NOMINAL
center_hole_diameter299.3 MILLIMETERS NOMINAL MM
cross-sectional_height5.7 MILLIMETERS NOMINAL MM
NSN5331-01-425-1878
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ORMA000579XXXMA 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 HEIGHT: 5.7 MILLIMETERS NOMINAL MM
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 299.3 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT5.7 MILLIMETERS NOMINAL MM
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER299.3 MILLIMETERS NOMINAL MM
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 2
462484Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
21-10606 IT 14Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 ORMA000579XXXMA?
ORMA000579XXXMA is a O-RING.
What parts can replace ORMA000579XXXMA?
There are 2 known substitutes for ORMA000579XXXMA: 462484, 21-10606 IT 14. Substitute compatibility should be verified for your specific system.
What is the NSN for ORMA000579XXXMA?
ORMA000579XXXMA is cataloged in the U.S. Government catalog under NSN 5331-01-425-1878. 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.