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633-9278-58 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

633-9278-58: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q, outside_diameter: 0.495 INCHES NOMINAL IN, center_hole_diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN, elongation_percentage: 150 MAXIMUM, cross-sectional_height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-432-6765, 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
633-9278-58
NSN: 5331-00-432-6765
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
outside_diameter0.495 INCHES NOMINAL IN
center_hole_diameter0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
elongation_percentage150 MAXIMUM
cross-sectional_height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
NSN5331-00-432-6765
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 633-9278-58 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: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.495 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 150 MAXIMUM
•
CENTER HOLE DIAMETER: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.495 INCHES NOMINAL IN
ELONGATION PERCENTAGE150 MAXIMUM
CENTER HOLE DIAMETER0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
SUBSTITUTES & CROSS-REFERENCES 8
853-08074-000Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
853-80740MILG21Reference document
Same NSN cross-reference
Reference document — Secondary reference
853-8074Reference document
Same NSN cross-reference
Reference document — Secondary reference
699-7751PC9Reference document
Same NSN cross-reference
Reference document — Secondary reference
651-7670-8Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
633-8242-16Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 633-9278-58?
633-9278-58 is a O-RING.
What parts can replace 633-9278-58?
There are 8 known substitutes for 633-9278-58: 853-08074-000, 853-80740MILG21, 853-8074 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 633-9278-58?
633-9278-58 is cataloged in the U.S. Government catalog under NSN 5331-00-432-6765. This indicates validated use in U.S. government and defense supply chains.
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