PartsTable
Technical Data Sheet
MS28775-124 ✓ 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 OVERALL, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, peripheral_diameter: 1.443 INCHES NOMINAL IN, center_hole_diameter: 1.231 INCHES MINIMUM AND 1.243 INCHES MAXIMUM IN, elongation_percentage: 160 MAXIMUM, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-845-9685, 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
MS28775-124
NSN: 5331-00-845-9685
FSC: 5331 — O-RING
CAGE: 1K697 — DBR INDUSTRIES, INC. DBA DBR INDUSTRIES INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
peripheral_diameter1.443 INCHES NOMINAL IN
center_hole_diameter1.231 INCHES MINIMUM AND 1.243 INCHES MAXIMUM IN
elongation_percentage160 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN5331-00-845-9685
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28775-124 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
OUTSIDE DIAMETER: 1.425 INCHES MINIMUM AND 1.461 INCHES MAXIMUM IN
CENTER HOLE DIAMETER: 1.231 INCHES MINIMUM AND 1.243 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
OUTSIDE DIAMETER1.425 INCHES MINIMUM AND 1.461 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.231 INCHES MINIMUM AND 1.243 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
30807268PC24Interchangeable
interchangeable cross-reference
interchangeable
P0642 2-124Interchangeable
interchangeable cross-reference
interchangeable
5331PL1281979Interchangeable
interchangeable cross-reference
interchangeable
4400171-1240Interchangeable
interchangeable cross-reference
interchangeable
12Z9026-24Interchangeable
interchangeable cross-reference
interchangeable
J200A124Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS28775-124?
MS28775-124 is a O-RING.
What parts can replace MS28775-124?
There are 21 known substitutes for MS28775-124: 30807268PC24, P0642 2-124, 5331PL1281979 and 18 more. Substitute compatibility should be verified for your specific system.
Is MS28775-124 still available?
MS28775-124 is currently cancelled.
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