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Technical Data Sheet
PartsTable / COMPONENT / 212788-1
212788-1 ✓ 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 SEAL,SPECIAL is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-103-1533, 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
212788-1
NSN: 5330-01-103-1533
FSC: 5330
CAGE: 51913 — WALKER POWER SYSTEMS, INC. DBA TIERNAY TURBINES (USA)
SPECIFICATIONS
Part Number212788-1
NSN5330-01-103-1533
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 212788-1 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 12
3-18514Interchangeable
interchangeable cross-reference
interchangeable
662-0518-010Interchangeable
interchangeable cross-reference
interchangeable
318514 ITEM 11Interchangeable
interchangeable cross-reference
interchangeable
443-16SS-2-16Interchangeable
interchangeable cross-reference
interchangeable
318514 ITEM 61Interchangeable
interchangeable cross-reference
interchangeable
482-3/8B2-.25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 212788-1?
212788-1 is a SEAL,SPECIAL.
What parts can replace 212788-1?
There are 12 known substitutes for 212788-1: 3-18514, 662-0518-010, 318514 ITEM 11 and 9 more. Substitute compatibility should be verified for your specific system.
Is 212788-1 still available?
212788-1 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