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L6668865 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

L6668865: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, outside_diameter: 0.171 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, special_features: THE ITEM IS PART OF THE IR SEEKER HEAD ASSEMBLY COVER, center_hole_diameter: 0.171 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, end_item_identification: STANDARD MISSILE, RIM 66M-5. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-644-2681, 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
L6668865
NSN: 5331-01-644-2681
NIINs: 016442681, 016463745
FSC: 5331 — O-ring
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialRUBBER
outside_diameter0.171 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
special_featuresTHE ITEM IS PART OF THE IR SEEKER HEAD ASSEMBLY COVER
center_hole_diameter0.171 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
end_item_identificationSTANDARD MISSILE, RIM 66M-5
NSN5331-01-644-2681
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: L6668865 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: 0.171 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
CENTER HOLE DIAMETER0.171 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is L6668865?
L6668865 is a O-RING.
What is the NSN for L6668865?
L6668865 is cataloged in the U.S. Government catalog under NSN 5331-01-644-2681. This indicates validated use in U.S. government and defense supply chains.
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