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6687109-12 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6687109-12: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ, temp_rating: -67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.156 INCHES NOMINAL IN, center_hole_diameter: 0.918 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN, cross-sectional_height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-414-2809, 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
6687109-12
NSN: 5331-00-414-2809
FSC: 5331 — O-ring
CAGE: 63005 — ROLLS-ROYCE CORPORATION (USA)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
temp_rating-67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter1.156 INCHES NOMINAL IN
center_hole_diameter0.918 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN
cross-sectional_height0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
NSN5331-00-414-2809
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6687109-12 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
•
TEMP RATING: -67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.156 INCHES NOMINAL IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 0.918 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS
TEMP RATING-67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.156 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER0.918 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ
SUBSTITUTES & CROSS-REFERENCES 8
MS9966-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS9966Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE 99667Reference document
Same NSN cross-reference
Reference document — Secondary reference
5331PL1739419Reference document
Same NSN cross-reference
Reference document — Informative reference only
5331PL0844970Reference document
Same NSN cross-reference
Reference document — Informative reference only
SAE AS9967-912Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6687109-12?
6687109-12 is a O-RING.
What parts can replace 6687109-12?
There are 8 known substitutes for 6687109-12: MS9966-12, SAE-AS9966, SAE 99667 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6687109-12?
6687109-12 is cataloged in the U.S. Government catalog under NSN 5331-00-414-2809. This indicates validated use in U.S. government and defense supply chains.
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