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Technical Data Sheet
PartsTable / COMPONENT / 3660091
3660091 ✓ 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,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: RECESSED, seal_width: 0.500 INCHES NOMINAL IN, housing_bore_diameter: 3.000 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 1.875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-447-2696, 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
3660091
NSN: 5330-00-447-2696
FSC: 5330
CAGE: 11862 — GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleRECESSED
seal_width0.500 INCHES NOMINAL IN
housing_bore_diameter3.000 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.875 INCHES NOMINAL IN
NSN5330-00-447-2696
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3660091 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
•
ACCOMMODATED SHAFT DIAMETER: 1.875 INCHES NOMINAL IN
•
CASE STYLE: RECESSED
•
SEALING ELEMENT STYLE: ANGULAR
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
SEAL WIDTH: 0.500 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 3.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER1.875 INCHES NOMINAL IN
CASE STYLERECESSED
SEALING ELEMENT STYLEANGULAR
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH0.500 INCHES NOMINAL IN
MATERIALSTEEL CASE
HOUSING BORE DIAMETER3.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
A102Interchangeable
interchangeable cross-reference
interchangeable
27E126AND20C250Interchangeable
interchangeable cross-reference
interchangeable
9XR10-2Interchangeable
interchangeable cross-reference
interchangeable
02621Interchangeable
interchangeable cross-reference
interchangeable
01010Interchangeable
interchangeable cross-reference
interchangeable
27E126Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3660091?
3660091 is a SEAL,PLAIN ENCASED.
What parts can replace 3660091?
There are 17 known substitutes for 3660091: A102, 27E126AND20C250, 9XR10-2 and 14 more. Substitute compatibility should be verified for your specific system.
Is 3660091 still available?
3660091 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