PartsTable
Technical Data Sheet
KB16209 ✓ 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 material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, hardness_rating: 65.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 0.394 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN, elongation_percentage: 200 MAXIMUM, cross-sectional_height: 0.103 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-104-7959, 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
KB16209
NSN: 5331-00-104-7959
FSC: 5331 — O-RING
CAGE: K0680 — ROLLS-ROYCE AIRLINES (GBR)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hardness_rating65.0 SHORE DUROMETER A NOMINAL
center_hole_diameter0.394 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN
elongation_percentage200 MAXIMUM
cross-sectional_height0.103 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-104-7959
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: KB16209 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
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
ELONGATION PERCENTAGE: 200 MAXIMUM
CROSS-SECTIONAL HEIGHT: 0.103 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CENTER HOLE DIAMETER: 0.394 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN
HARDNESS RATING: 65.0 SHORE DUROMETER A NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
ELONGATION PERCENTAGE200 MAXIMUM
CROSS-SECTIONAL HEIGHT0.103 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.394 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN
HARDNESS RATING65.0 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
AS568-027Interchangeable
interchangeable cross-reference
interchangeable
AMS7271Interchangeable
interchangeable cross-reference
interchangeable
2-230 N506-65Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS3578Interchangeable
interchangeable cross-reference
interchangeable
318S8Interchangeable
interchangeable cross-reference
interchangeable
2-218 N506-65Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KB16209?
KB16209 is a O-RING.
What parts can replace KB16209?
There are 22 known substitutes for KB16209: AS568-027, AMS7271, 2-230 N506-65 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KB16209?
KB16209 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-104-7959. This indicates validated use in U.S. government and defense supply chains.
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