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MS9966-04 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS9966-04: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: KC-46 AIRCRAFT, criticality_code_justification: AGAV, reference_number_differentiating_characteristics: ITEM IS FAA CERTIFIED. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-414-2673, 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
MS9966-04
NSN: 5331-00-414-2673
NIINs: 004142673, 014973960, 016695397
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
end_item_identificationKC-46 AIRCRAFT
criticality_code_justificationAGAV
reference_number_differentiating_characteristicsITEM IS FAA CERTIFIED
NSN5331-00-414-2673
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9966-04 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: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.495 INCHES NOMINAL IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS
TEMP RATING-67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.495 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ
SUBSTITUTES & CROSS-REFERENCES 6
SAE-AS9966Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
SAE AS9967Reference document
Same NSN cross-reference
Reference document — Secondary reference
571017Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS9966-MS9966-04Reference document
Same NSN cross-reference
Reference document — Secondary reference
6871091-04Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS9967-04Reference 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 MS9966-04?
MS9966-04 is a O-RING.
What parts can replace MS9966-04?
There are 6 known substitutes for MS9966-04: SAE-AS9966, SAE AS9967, 571017 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9966-04?
MS9966-04 is cataloged in the U.S. Government catalog under NSN 5331-00-414-2673. This indicates validated use in U.S. government and defense supply chains.
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