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Technical Data Sheet
A30512-19-21 ✓ 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 A30512-19-21 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 5330-01-010-3657, 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
A30512-19-21
NSN: 5330-01-010-3657
FSC: 5330
CAGE: 13841 — TIFFIN PARTS, L.L.C. DIV SUBSIDIARY OF PETTIBONE CORP. (USA)
SPECIFICATIONS
Part NumberA30512-19-21
NSN5330-01-010-3657
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A30512-19-21 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 6
3-32STAINLESSInterchangeable
interchangeable cross-reference
interchangeable
4712Interchangeable
interchangeable cross-reference
interchangeable
USAF216C2-6Interchangeable
interchangeable cross-reference
interchangeable
10222Interchangeable
interchangeable cross-reference
interchangeable
12679Interchangeable
interchangeable cross-reference
interchangeable
22549Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A30512-19-21?
A30512-19-21 is a A30512-19-21.
What parts can replace A30512-19-21?
There are 6 known substitutes for A30512-19-21: 3-32STAINLESS, 4712, USAF216C2-6 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A30512-19-21?
A30512-19-21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-010-3657. This indicates validated use in U.S. government and defense supply chains.
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