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4026AS166-3 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4026AS166-3: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ADHESIVE BACKING, outside_diameter: 12.130 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 7.320 INCHES NOMINAL IN, cross-sectional_height: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-640-9823, 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
4026AS166-3
NSN: 5330-01-640-9823
FSC: 5330 — Packing and Gasket Materials
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialADHESIVE BACKING
outside_diameter12.130 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter7.320 INCHES NOMINAL IN
cross-sectional_height0.062 INCHES NOMINAL IN
NSN5330-01-640-9823
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4026AS166-3 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
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 12.130 INCHES NOMINAL IN
•
APERTURE DIAMETER: 7.320 INCHES NOMINAL IN
•
MATERIAL: RUBBER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER12.130 INCHES NOMINAL IN
APERTURE DIAMETER7.320 INCHES NOMINAL IN
MATERIALRUBBER OVERALL
MATERIALADHESIVE BACKING
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
4026AS166Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4026AS166-3?
4026AS166-3 is a GASKET.
What parts can replace 4026AS166-3?
There is 1 known substitute for 4026AS166-3: 4026AS166. Substitute compatibility should be verified for your specific system.
What is the NSN for 4026AS166-3?
4026AS166-3 is cataloged in the U.S. Government catalog under NSN 5330-01-640-9823. 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.