PartsTable
Technical Data Sheet
PartsTable / O-RING / 40230 ITEM 118
40230 ITEM 118 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, temp_rating: 250.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 3.239 INCHES NOMINAL IN, cross-sectional_height: 0.070 INCHES NOMINAL IN, end_item_identification: ACTUATOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-634-0645, 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
40230 ITEM 118
NSN: 5331-01-634-0645
FSC: 5331 — O-RING
CAGE: 1KHV0 — EXLAR CORPORATION (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating250.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
center_hole_diameter3.239 INCHES NOMINAL IN
cross-sectional_height0.070 INCHES NOMINAL IN
end_item_identificationACTUATOR
part_name_assigned_by_controlling_agencyO-RING, VITON
NSN5331-01-634-0645
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40230 ITEM 118 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
•
TEMP RATING: 250.0 FAHRENHEIT DEGF
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
CENTER HOLE DIAMETER: 3.239 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.070 INCHES NOMINAL IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONACTUATOR
TEMP RATING250.0 FAHRENHEIT DEGF
MATERIALRUBBER FLUOROCARBON CLASS FPM
CENTER HOLE DIAMETER3.239 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.070 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING, VITON
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
1JA7889-1Interchangeable
interchangeable cross-reference
interchangeable
G221259-1Interchangeable
interchangeable cross-reference
interchangeable
G21259-1Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
41255Interchangeable
interchangeable cross-reference
interchangeable
52544M1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40230 ITEM 118?
40230 ITEM 118 is a O-RING.
What parts can replace 40230 ITEM 118?
There are 8 known substitutes for 40230 ITEM 118: 1JA7889-1, G221259-1, G21259-1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40230 ITEM 118?
40230 ITEM 118 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-634-0645. 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