PartsTable
Technical Data Sheet
KN903183 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: KC-46 AIRCRAFT, reference_number_differentiating_characteristics: ITEM IS FAA CERTIFIED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-669-4261, 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
KN903183
NSN: 5331-01-669-4261
FSC: 5331 — O-RING
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
end_item_identificationKC-46 AIRCRAFT
reference_number_differentiating_characteristicsITEM IS FAA CERTIFIED
NSN5331-01-669-4261
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: KN903183 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
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: ITEM IS FAA CERTIFIED
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSITEM IS FAA CERTIFIED
END ITEM IDENTIFICATIONKC-46 AIRCRAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
MS29513-012Interchangeable
interchangeable cross-reference
interchangeable
AS568-012MIL-P- 5315Interchangeable
interchangeable cross-reference
interchangeable
725-70-012Interchangeable
interchangeable cross-reference
interchangeable
MS29513-12Interchangeable
interchangeable cross-reference
interchangeable
2-012-N602-70Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KN903183?
KN903183 is a O-RING.
What parts can replace KN903183?
There are 5 known substitutes for KN903183: MS29513-012, AS568-012MIL-P- 5315, 725-70-012 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KN903183?
KN903183 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-669-4261. This indicates validated use in U.S. government and defense supply chains.
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