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Technical Data Sheet
PartsTable / COMPONENT / H23-366
H23-366 ✓ 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 SPRING is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-496-4722, 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
H23-366
NSN: 5340-00-496-4722
FSC: 5340
CAGE: 31435 — LUCAS AEROSPACE POWER EQUIPMENT CORPORATION (USA)
SPECIFICATIONS
Part NumberH23-366
NSN5340-00-496-4722
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H23-366 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 7
1195Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-296Interchangeable
interchangeable cross-reference
interchangeable
S303AF02V3BC5EInterchangeable
interchangeable cross-reference
interchangeable
23366Interchangeable
interchangeable cross-reference
interchangeable
19201Interchangeable
interchangeable cross-reference
interchangeable
23357Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H23-366?
H23-366 is a SPRING.
What parts can replace H23-366?
There are 7 known substitutes for H23-366: 1195, GGG-D-296, S303AF02V3BC5E and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H23-366?
H23-366 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-496-4722. 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