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MS9966-10 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS9966-10: 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: 0.949 INCHES NOMINAL IN, center_hole_diameter: 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, cross-sectional_height: 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-414-2807, 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
MS9966-10
NSN: 5331-00-414-2807
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
temp_rating-67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter0.949 INCHES NOMINAL IN
center_hole_diameter0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
cross-sectional_height0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
NSN5331-00-414-2807
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9966-10 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: 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.949 INCHES NOMINAL IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS
TEMP RATING-67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.949 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ
SUBSTITUTES & CROSS-REFERENCES 4
MILR3533-910ESReference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS9966Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
SAE-AS9967Reference document
Same NSN cross-reference
Reference document — Secondary reference
5331PL0656998Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS9966-10?
MS9966-10 is a O-RING.
What parts can replace MS9966-10?
There are 4 known substitutes for MS9966-10: MILR3533-910ES, SAE-AS9966, SAE-AS9967 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9966-10?
MS9966-10 is cataloged in the U.S. Government catalog under NSN 5331-00-414-2807. This indicates validated use in U.S. government and defense supply chains.
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