PartsTable
Technical Data Sheet
MA236-21051 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-088-5963, 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
MA236-21051
NSN: 5331-01-088-5963
FSC: 5331 — O-RING
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
Part NumberMA236-21051
NSN5331-01-088-5963
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MA236-21051 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
9961NInterchangeable
interchangeable cross-reference
interchangeable
99-61Interchangeable
interchangeable cross-reference
interchangeable
272SC238Interchangeable
interchangeable cross-reference
interchangeable
D15-640BPC642Interchangeable
interchangeable cross-reference
interchangeable
D15-640RPC642Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-55021/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MA236-21051?
MA236-21051 is a O-RING.
What parts can replace MA236-21051?
There are 15 known substitutes for MA236-21051: 9961N, 99-61, 272SC238 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MA236-21051?
MA236-21051 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-088-5963. This indicates validated use in U.S. government and defense supply chains.
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