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Technical Data Sheet
PartsTable / O-RING / 115659122FN26
115659122FN26 ✓ 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 SYNTHETIC, center_hole_diameter: 0.421 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 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 5331-00-903-3944, 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
115659122FN26
NSN: 5331-00-903-3944
FSC: 5331 — O-RING
CAGE: 07309 — BIRD-JOHNSON PROPELLER COMPANY, LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
center_hole_diameter0.421 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-903-3944
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 115659122FN26 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
•
CENTER HOLE DIAMETER: 0.421 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.421 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
0115Interchangeable
interchangeable cross-reference
interchangeable
E-0115Interchangeable
interchangeable cross-reference
interchangeable
RES250Interchangeable
interchangeable cross-reference
interchangeable
MILI36854Interchangeable
interchangeable cross-reference
interchangeable
47-1015Interchangeable
interchangeable cross-reference
interchangeable
SEAGULL GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 115659122FN26?
115659122FN26 is a O-RING.
What parts can replace 115659122FN26?
There are 8 known substitutes for 115659122FN26: 0115, E-0115, RES250 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 115659122FN26?
115659122FN26 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-903-3944. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026