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Technical Data Sheet
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212866 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

212866: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include end_item_identification: SWITCH,LIQUID FLOW, P/N 4302800-3. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-238-8564, 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
212866
NSN: 5330-01-238-8564
NIINs: 012388564, 016038048
FSC: 5330 — Packing and Gasket Materials
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
special_featuresLEVEL SWITCH WITH TANK COMBO; .75 INCH ACTUATION LEVEL; 316 STAINLESS STEEL, BRASS,COPPER; VERTICAL MOUNTING, SPST SWITCH TYPE IN
end_item_identificationSWITCH,LIQUID FLOW, P/N 4302800-3
NSN5330-01-238-8564
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 212866 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 212866?
212866 is a GASKET.
What is the NSN for 212866?
212866 is cataloged in the U.S. Government catalog under NSN 5330-01-238-8564. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.