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F028318-3 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

F028318-3: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, center_hole_diameter: 11.460 INCHES NOMINAL IN, cross-sectional_height: 0.210 INCHES NOMINAL IN, end_item_identification: GEAR BOX INPUT SHAFT ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-573-1228, 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
F028318-3
NSN: 5331-01-573-1228
FSC: 5331 — O-ring
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
center_hole_diameter11.460 INCHES NOMINAL IN
cross-sectional_height0.210 INCHES NOMINAL IN
end_item_identificationGEAR BOX INPUT SHAFT ASSEMBLY
NSN5331-01-573-1228
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: F028318-3 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: 0.210 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 11.460 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.210 INCHES NOMINAL IN
CENTER HOLE DIAMETER11.460 INCHES NOMINAL IN
END ITEM IDENTIFICATIONGEAR BOX INPUT SHAFT ASSEMBLY
MATERIALRUBBER FLUOROCARBON CLASS FPM
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
F028973 ITEM 19Reference document
Same NSN cross-reference
Reference document — Secondary reference
F028983 ITEM 6Reference 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 F028318-3?
F028318-3 is a O-RING.
What parts can replace F028318-3?
There are 2 known substitutes for F028318-3: F028973 ITEM 19, F028983 ITEM 6. Substitute compatibility should be verified for your specific system.
What is the NSN for F028318-3?
F028318-3 is cataloged in the U.S. Government catalog under NSN 5331-01-573-1228. This indicates validated use in U.S. government and defense supply chains.
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