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RF110 ITEM 7 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

RF110 ITEM 7: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include center_hole_diameter: 18.0 MILLIMETERS NOMINAL MM, cross-sectional_height: 2.5 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-440-8203, 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
RF110 ITEM 7
NSN: 5331-01-440-8203
FSC: 5331 — O-ring
CAGE: 59793 — HYDAC CORP (USA)
SPECIFICATIONS
center_hole_diameter18.0 MILLIMETERS NOMINAL MM
cross-sectional_height2.5 MILLIMETERS NOMINAL MM
NSN5331-01-440-8203
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RF110 ITEM 7 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: 2.5 MILLIMETERS NOMINAL MM
•
CENTER HOLE DIAMETER: 18.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT2.5 MILLIMETERS NOMINAL MM
CENTER HOLE DIAMETER18.0 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 1
18X2.5 SHA 70 NITRILESame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 RF110 ITEM 7?
RF110 ITEM 7 is a O-RING.
What parts can replace RF110 ITEM 7?
There is 1 known substitute for RF110 ITEM 7: 18X2.5 SHA 70 NITRILE. Substitute compatibility should be verified for your specific system.
What is the NSN for RF110 ITEM 7?
RF110 ITEM 7 is cataloged in the U.S. Government catalog under NSN 5331-01-440-8203. This indicates validated use in U.S. government and defense supply chains.
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