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Technical Data Sheet
PartsTable / O-RING / MS28775-113
MS28775-113 ✓ 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, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, special_features: CERTIFIED FREE FROM MERCURY CONTAMINATION, peripheral_diameter: 0.755 INCHES NOMINAL IN, center_hole_diameter: 0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN, elongation_percentage: 160 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-582-2855, 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
MS28775-113
NSN: 5331-00-582-2855
FSC: 5331 — O-RING
CAGE: 70236 — TACTAIR FLUID CONTROLS INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
special_featuresCERTIFIED FREE FROM MERCURY CONTAMINATION
peripheral_diameter0.755 INCHES NOMINAL IN
center_hole_diameter0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
elongation_percentage160 MAXIMUM
special_test_featuresSPECIAL QUALITY CONTROL TESTING
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
departure_from_cited_documentAS MODIFIED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
material_document_and_classificationMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-00-582-2855
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28775-113 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CENTER HOLE DIAMETER: 0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.742 INCHES MINIMUM AND 0.768 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER0.544 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.742 INCHES MINIMUM AND 0.768 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
107-4Interchangeable
interchangeable cross-reference
interchangeable
3415-1721-0104Interchangeable
interchangeable cross-reference
interchangeable
4-113-59Interchangeable
interchangeable cross-reference
interchangeable
55443Interchangeable
interchangeable cross-reference
interchangeable
3024601-1Interchangeable
interchangeable cross-reference
interchangeable
1281-3018Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS28775-113?
MS28775-113 is a O-RING.
What parts can replace MS28775-113?
There are 31 known substitutes for MS28775-113: 107-4, 3415-1721-0104, 4-113-59 and 28 more. Substitute compatibility should be verified for your specific system.
Is MS28775-113 still available?
MS28775-113 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