PartsTable
Technical Data Sheet
99121796 ✓ 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 GASKET 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 5330-01-203-6373, 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
99121796
NSN: 5330-01-203-6373
FSC: 5330
CAGE: 71871 — ALFA LAVAL INC (USA)
SPECIFICATIONS
Part Number99121796
NSN5330-01-203-6373
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 99121796 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 5
21-796Interchangeable
interchangeable cross-reference
interchangeable
AL1037MVInterchangeable
interchangeable cross-reference
interchangeable
AB009021796Interchangeable
interchangeable cross-reference
interchangeable
1GS2224LInterchangeable
interchangeable cross-reference
interchangeable
25-325-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 99121796?
99121796 is a GASKET.
What parts can replace 99121796?
There are 5 known substitutes for 99121796: 21-796, AL1037MV, AB009021796 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 99121796?
99121796 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-203-6373. This indicates validated use in U.S. government and defense supply chains.
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