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Technical Data Sheet
PartsTable / O-RING / 7866-02
7866-02 ✓ 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 color: GRAY/GREY, specific_use: AIRCRAFT SURFACES, coloring_method: PIGMENTED, special_features: FOR USE ON PRIMED OR PREPARED SURFACES, color_chip_number: 16081, gloss_designation: GLOSS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-135-8622, 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
7866-02
NSN: 5331-00-135-8622
FSC: 5331 — O-RING
CAGE: 25184 — PARKER HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
colorGRAY/GREY
specific_useAIRCRAFT SURFACES
coloring_methodPIGMENTED
special_featuresFOR USE ON PRIMED OR PREPARED SURFACES
color_chip_number16081
gloss_designationGLOSS
rated_drying_time10.000 MINUTES NOMINAL
application_methodBRUSHING AS PACKAGED OR SPRAYING AS IS
basic_material_typeCELLULOSIC DERIVATIVE
environmental_attribute_codeLOW VOLATILE ORGANIC COMPOUND - COATINGS - AEROSPACE OPERATIONS COATINGS
quantity_within_each_unit_package1.000 GALLONS
nonvolatile_material_minimum_percentage40.0
NSN5331-00-135-8622
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7866-02 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
•
CENTER HOLE DIAMETER: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.356 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.356 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
AA3165-001G-16081Interchangeable
interchangeable cross-reference
interchangeable
P-819Interchangeable
interchangeable cross-reference
interchangeable
700A182Interchangeable
interchangeable cross-reference
interchangeable
457-6002Interchangeable
interchangeable cross-reference
interchangeable
MIS-13674/10Interchangeable
interchangeable cross-reference
interchangeable
SP3737Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7866-02?
7866-02 is a O-RING.
What parts can replace 7866-02?
There are 26 known substitutes for 7866-02: AA3165-001G-16081, P-819, 700A182 and 23 more. Substitute compatibility should be verified for your specific system.
Is 7866-02 still available?
7866-02 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026