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Technical Data Sheet
PartsTable / O-RING / M1538-828012
M1538-828012 ✓ 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 SILICONE CLASS Q, center_hole_diameter: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN, cross-sectional_height: 0.062 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-171-7786, 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
M1538-828012
NSN: 5331-00-171-7786
FSC: 5331 — O-RING
CAGE: A196N — FORSVARETS MATERIELVERK (SWE)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
center_hole_diameter0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
cross-sectional_height0.062 INCHES NOMINAL IN
NSN5331-00-171-7786
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M1538-828012 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: 0.062 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
AS568-012Interchangeable
interchangeable cross-reference
interchangeable
P49708-012Interchangeable
interchangeable cross-reference
interchangeable
P49708-0012Interchangeable
interchangeable cross-reference
interchangeable
6V-8397Interchangeable
interchangeable cross-reference
interchangeable
A00542Interchangeable
interchangeable cross-reference
interchangeable
CI-0012Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M1538-828012?
M1538-828012 is a O-RING.
What parts can replace M1538-828012?
There are 25 known substitutes for M1538-828012: AS568-012, P49708-012, P49708-0012 and 22 more. Substitute compatibility should be verified for your specific system.
Is M1538-828012 still available?
M1538-828012 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