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Technical Data Sheet
PartsTable / COMPONENT / RW1528MK-0.3125
RW1528MK-0.3125 ✓ 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 RW1528MK-0.3125 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-197-8493, 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
RW1528MK-0.3125
NSN: 5330-00-197-8493
FSC: 5330
CAGE: 5S153 — R-WAY GASKET & SUPPLY CO INC (USA)
SPECIFICATIONS
Part NumberRW1528MK-0.3125
NSN5330-00-197-8493
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RW1528MK-0.3125 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 WIDTH: 0.312 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: C TYPE AND 2 CLASS
•
CROSS-SECTIONAL HEIGHT: 0.312 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE
•
FABRICATION METHOD: BRAIDED AND SOLID
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL WIDTH0.312 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATAC TYPE AND 2 CLASS
CROSS-SECTIONAL HEIGHT0.312 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.312 INCHES NOMINAL IN
MATERIALASBESTOS
NONDEFINITIVE SPEC/STD DATAC TYPE AND 2 CLASS
CROSS-SECTIONAL SHAPE STYLESQUARE
FABRICATION METHODBRAIDED AND SOLID
MATERIALASBESTOS
CROSS-SECTIONAL HEIGHT0.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
MILP17303CLASS2TYPECInterchangeable
interchangeable cross-reference
interchangeable
B7512M159PC15Interchangeable
interchangeable cross-reference
interchangeable
02472Interchangeable
interchangeable cross-reference
interchangeable
A7511M9PC12Interchangeable
interchangeable cross-reference
interchangeable
7215001PC19AInterchangeable
interchangeable cross-reference
interchangeable
02789Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RW1528MK-0.3125?
RW1528MK-0.3125 is a RW1528MK-0.3125.
What parts can replace RW1528MK-0.3125?
There are 8 known substitutes for RW1528MK-0.3125: MILP17303CLASS2TYPEC, B7512M159PC15, 02472 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RW1528MK-0.3125?
RW1528MK-0.3125 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-197-8493. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026