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Technical Data Sheet
PartsTable / O-RING / 1011-8-0100-26
1011-8-0100-26 ✓ 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, cross-sectional_height: 0.125 INCHES NOMINAL 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 5331-01-069-9922, 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
1011-8-0100-26
NSN: 5331-01-069-9922
FSC: 5331 — O-RING
CAGE: 55650 — DOWN EAST, INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
cross-sectional_height0.125 INCHES NOMINAL IN
NSN5331-01-069-9922
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1011-8-0100-26 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 SYNTHETIC
•
CROSS-SECTIONAL HEIGHT: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
4005882-3Interchangeable
interchangeable cross-reference
interchangeable
510521-11Interchangeable
interchangeable cross-reference
interchangeable
21-20302-105AND28-20003-309Interchangeable
interchangeable cross-reference
interchangeable
8331403Interchangeable
interchangeable cross-reference
interchangeable
010026Interchangeable
interchangeable cross-reference
interchangeable
520A123Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1011-8-0100-26?
1011-8-0100-26 is a O-RING.
What parts can replace 1011-8-0100-26?
There are 8 known substitutes for 1011-8-0100-26: 4005882-3, 510521-11, 21-20302-105AND28-20003-309 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1011-8-0100-26?
1011-8-0100-26 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-069-9922. 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