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Technical Data Sheet
PartsTable / O-RING / MS28775-230
MS28775-230 ✓ 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 special_features: NEW DESIGN FOR C-5 LANDING GEAR REPLACES NSN 5331009824259, end_item_identification: C-5 ACFT, criticality_code_justification: FEAT, part_name_assigned_by_controlling_agency: O-RING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-982-4259, 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
MS28775-230
NSN: 5331-00-982-4259
FSC: 5331 — O-RING
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
special_featuresNEW DESIGN FOR C-5 LANDING GEAR REPLACES NSN 5331009824259
end_item_identificationC-5 ACFT
criticality_code_justificationFEAT
part_name_assigned_by_controlling_agencyO-RING
NSN5331-00-982-4259
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28775-230 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
•
OUTSIDE DIAMETER: 2.734 INCHES MINIMUM AND 2.790 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CENTER HOLE DIAMETER: 2.474 INCHES MINIMUM AND 2.494 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.734 INCHES MINIMUM AND 2.790 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER2.474 INCHES MINIMUM AND 2.494 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
US8-8Interchangeable
interchangeable cross-reference
interchangeable
2900-137ALT2PC11Interchangeable
interchangeable cross-reference
interchangeable
3055-108ALT1PCC3Interchangeable
interchangeable cross-reference
interchangeable
1500081Interchangeable
interchangeable cross-reference
interchangeable
1N3051BInterchangeable
interchangeable cross-reference
interchangeable
JANTX1N3051B-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS28775-230?
MS28775-230 is a O-RING.
What parts can replace MS28775-230?
There are 31 known substitutes for MS28775-230: US8-8, 2900-137ALT2PC11, 3055-108ALT1PCC3 and 28 more. Substitute compatibility should be verified for your specific system.
Is MS28775-230 still available?
MS28775-230 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