PartsTable
Technical Data Sheet
PartsTable / O-RING / 64494
64494 ✓ 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 base_style: MOGUL SCREW, bulb_style: BT (BULGED TUBULAR), overall_length: 8.312 INCHES NOMINAL8.312 INCHES NOMINAL IN, wattage_rating: 175.000 WATTS, bulb_designator: BT-28, special_features: ENERGY SAVER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-145-5097, 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
64494
NSN: 5331-00-145-5097
FSC: 5331 — O-RING
CAGE: 17867 — PAIRHALL INC DBA CENTENNIAL CONFERENCES (USA)
SPECIFICATIONS
base_styleMOGUL SCREW
bulb_styleBT (BULGED TUBULAR)
overall_length8.312 INCHES NOMINAL8.312 INCHES NOMINAL IN
wattage_rating175.000 WATTS
bulb_designatorBT-28
special_featuresENERGY SAVER
rated_average_lifeHOURS
light_center_length5.000 INCHES NOMINAL IN
light_output_rating10500.000 LUMENS NOMINAL SINGLE RATING
average_life_rating_in_hours7500.0
emitted_light_characteristicWHITE
criticality_code_justificationFEAT
NSN5331-00-145-5097
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 64494 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
•
MATERIAL: RUBBER SYNTHETIC
•
CROSS-SECTIONAL HEIGHT: 0.139 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC
CROSS-SECTIONAL HEIGHT0.139 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
71,12X2,62SR832-75Interchangeable
interchangeable cross-reference
interchangeable
WB262A07112AU3LInterchangeable
interchangeable cross-reference
interchangeable
MS28775-149Interchangeable
interchangeable cross-reference
interchangeable
96677Interchangeable
interchangeable cross-reference
interchangeable
MS175/3K/H0RInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 64494?
64494 is a O-RING.
What parts can replace 64494?
There are 5 known substitutes for 64494: 71,12X2,62SR832-75, WB262A07112AU3L, MS28775-149 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 64494?
64494 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-145-5097. 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