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Technical Data Sheet
PartsTable / O-RING / SR810B-90-28
SR810B-90-28 ✓ 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, outside_diameter: 2.300 INCHES MINIMUM AND 2.352 INCHES MAXIMUM IN, center_hole_diameter: 2.080 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN, cross-sectional_height: 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-827-0326, 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
SR810B-90-28
NSN: 5331-00-827-0326
FSC: 5331 — O-RING
CAGE: 95272 — STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter2.300 INCHES MINIMUM AND 2.352 INCHES MAXIMUM IN
center_hole_diameter2.080 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN
cross-sectional_height0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
NSN5331-00-827-0326
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SR810B-90-28 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: 2.080 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.300 INCHES MINIMUM AND 2.352 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER2.080 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.300 INCHES MINIMUM AND 2.352 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
AS28778-32Interchangeable
interchangeable cross-reference
interchangeable
MS28778-32ESInterchangeable
interchangeable cross-reference
interchangeable
3-932 N507-90Interchangeable
interchangeable cross-reference
interchangeable
5330008037208Interchangeable
interchangeable cross-reference
interchangeable
GHN10093-4Interchangeable
interchangeable cross-reference
interchangeable
19A11C02Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SR810B-90-28?
SR810B-90-28 is a O-RING.
What parts can replace SR810B-90-28?
There are 26 known substitutes for SR810B-90-28: AS28778-32, MS28778-32ES, 3-932 N507-90 and 23 more. Substitute compatibility should be verified for your specific system.
Is SR810B-90-28 still available?
SR810B-90-28 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