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662331 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include special_features: USED ON P/N 392254-3 PRESSURE REGULATOR VALVE, style_designator: NON-CIRCULAR, cross-sectional_shape_style: RECTANGULAR METAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-178-0083, 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
662331
NSN: 5330-01-178-0083
FSC: 5330
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
special_featuresUSED ON P/N 392254-3 PRESSURE REGULATOR VALVE
style_designatorNON-CIRCULAR
bolt_hole_quantity4
cross-sectional_shape_styleRECTANGULAR METAL
NSN5330-01-178-0083
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 662331 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
•
BOLT HOLE QUANTITY: 4
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
•
STYLE DESIGNATOR: NON-CIRCULAR
TECHNICAL CHARACTERISTICS (FLIS)
BOLT HOLE QUANTITY4
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
STYLE DESIGNATORNON-CIRCULAR
SPECIAL FEATURESUSED ON P/N 392254-3 PRESSURE REGULATOR VALVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
704AS9821Interchangeable
interchangeable cross-reference
interchangeable
899821-1Interchangeable
interchangeable cross-reference
interchangeable
27771Interchangeable
interchangeable cross-reference
interchangeable
RAQ0238Interchangeable
interchangeable cross-reference
interchangeable
40003760Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 662331?
662331 is a GASKET.
What parts can replace 662331?
There are 5 known substitutes for 662331: 704AS9821, 899821-1, 27771 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 662331?
662331 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-178-0083. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026