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78470 ITEM 11 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

78470 ITEM 11: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include center_hole_diameter: 32.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-263-3856, 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
78470 ITEM 11
NSN: 5331-01-263-3856
FSC: 5331 — O-ring
CAGE: 77842 — EATON CORPORATION DBA EATON INOAC DIV EATON (USA)
SPECIFICATIONS
center_hole_diameter32.000 INCHES NOMINAL IN
NSN5331-01-263-3856
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 78470 ITEM 11 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
•
CENTER HOLE DIAMETER: 32.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CENTER HOLE DIAMETER32.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
78662Reference 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 78470 ITEM 11?
78470 ITEM 11 is a O-RING.
What parts can replace 78470 ITEM 11?
There is 1 known substitute for 78470 ITEM 11: 78662. Substitute compatibility should be verified for your specific system.
What is the NSN for 78470 ITEM 11?
78470 ITEM 11 is cataloged in the U.S. Government catalog under NSN 5331-01-263-3856. This indicates validated use in U.S. government and defense supply chains.
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