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Technical Data Sheet
PartsTable / O-RING / MS28775-260
MS28775-260 ✓ 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: 6.714 INCHES MINIMUM AND 6.810 INCHES MAXIMUM IN, center_hole_diameter: 6.461 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-050-5024, 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
MS28775-260
NSN: 5331-01-050-5024
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter6.714 INCHES MINIMUM AND 6.810 INCHES MAXIMUM IN
center_hole_diameter6.461 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-01-050-5024
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28775-260 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
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CENTER HOLE DIAMETER: 6.461 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 6.714 INCHES MINIMUM AND 6.810 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER6.461 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN
OUTSIDE DIAMETER6.714 INCHES MINIMUM AND 6.810 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
926772Interchangeable
interchangeable cross-reference
interchangeable
543083Interchangeable
interchangeable cross-reference
interchangeable
7351200Interchangeable
interchangeable cross-reference
interchangeable
260-737-70Interchangeable
interchangeable cross-reference
interchangeable
N0304 2-260Interchangeable
interchangeable cross-reference
interchangeable
2-260 N304-75Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS28775-260?
MS28775-260 is a O-RING.
What parts can replace MS28775-260?
There are 18 known substitutes for MS28775-260: 926772, 543083, 7351200 and 15 more. Substitute compatibility should be verified for your specific system.
Is MS28775-260 still available?
MS28775-260 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