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Technical Data Sheet
PartsTable / COMPONENT / 10266-28
10266-28 ✓ Verified by PartsTable
3M · 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 GASKET is a 3M industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, temp_rating: -67.0 FAHRENHEIT AND 257.0 FAHRENHEIT DEGF, hole_diameter: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.625 INCHES MINIMUM AND 1.641 INCHES MAXIMUM IN, overall_length: 1.625 INCHES MINIMUM AND 1.641 INCHES MAXIMUM IN, hardness_rating: 60.0 SHORE DUROMETER A NOMINAL OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-570-5097, 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
10266-28
NSN: 5330-00-570-5097
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
temp_rating-67.0 FAHRENHEIT AND 257.0 FAHRENHEIT DEGF
hole_diameter0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.625 INCHES MINIMUM AND 1.641 INCHES MAXIMUM IN
overall_length1.625 INCHES MINIMUM AND 1.641 INCHES MAXIMUM IN
hardness_rating60.0 SHORE DUROMETER A NOMINAL OVERALL
style_designatorNON-CIRCULAR
aperture_diameter1.375 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN
bolt_hole_quantity4
outside_corner_radius0.188 INCHES NOMINAL IN
maximum_pressure_rating30.0 POUNDS PER SQUARE INCH (PSI) LBS
cross-sectional_thickness0.015 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
NSN5330-00-570-5097
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10266-28 MFR: 3M ⚠ 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
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR OVERALL
•
APERTURE DIAMETER: 1.375 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN
•
CROSS-SECTIONAL THICKNESS: 0.015 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH: 0.188 INCHES NOMINAL IN
•
HARDNESS RATING: 60.0 SHORE DUROMETER A NOMINAL OVERALL
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
•
HOLE DIAMETER: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
APERTURE DIAMETER1.375 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN
CROSS-SECTIONAL THICKNESS0.015 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.188 INCHES NOMINAL IN
HARDNESS RATING60.0 SHORE DUROMETER A NOMINAL OVERALL
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
HOLE DIAMETER0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
OVERALL LENGTH1.625 INCHES MINIMUM AND 1.641 INCHES MAXIMUM IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH0.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
104045022Interchangeable
interchangeable cross-reference
interchangeable
25KP251Interchangeable
interchangeable cross-reference
interchangeable
371-8374-080Interchangeable
interchangeable cross-reference
interchangeable
SM-C-632667Interchangeable
interchangeable cross-reference
interchangeable
99002A8154-12Interchangeable
interchangeable cross-reference
interchangeable
70-1228-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10266-28?
10266-28 is a GASKET manufactured by 3M.
What parts can replace 10266-28?
There are 7 known substitutes for 10266-28: 104045022, 25KP251, 371-8374-080 and 4 more. Substitute compatibility should be verified for your specific system.
Is 10266-28 still available?
10266-28 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