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Technical Data Sheet
S826 ✓ 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 COUPLING,SHAFT,FLEXIBLE is a the manufacturer industrial component. Key specifications include phase: THREE INPUT, duty_cycle: CONTINUOUS, power_rating: 125.000 HORSEPOWER OUTPUT, cooling_method: FAN COOLED, special_features: MEETS OR EXCEEDS NEMA MG1 LATEST REVISION FOR ENERGY EFFICIENT SEVERE DUTY, enclosure_feature: TOTALLY ENCLOSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-4801, 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
S826
NSN: 5330-00-641-4801
FSC: 5330
CAGE: 73277 — HOUGHTON INTERNATIONAL INC. (USA)
SPECIFICATIONS
phaseTHREE INPUT
duty_cycleCONTINUOUS
power_rating125.000 HORSEPOWER OUTPUT
cooling_methodFAN COOLED
special_featuresMEETS OR EXCEEDS NEMA MG1 LATEST REVISION FOR ENERGY EFFICIENT SEVERE DUTY
enclosure_featureTOTALLY ENCLOSED
frequency_in_hertz60.0 INPUT
frame_size_designation444T
inclosure_specificationNEMA
rotor_speed_rating_in_rpm1800.0 SINGLE NO LOAD
criticality_code_justificationFEAT
mounting_facility_type_and_quantity4 UNTHREADED HOLE(S)
NSN5330-00-641-4801
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S826 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
CENTER HOLE DIAMETER: 4.750 INCHES NOMINAL IN
COLOR: BLACK
CROSS-SECTIONAL SHAPE STYLE: O-RING
CROSS-SECTIONAL HEIGHT: 0.125 INCHES NOMINAL IN
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER4.750 INCHES NOMINAL IN
COLORBLACK
CROSS-SECTIONAL SHAPE STYLEO-RING
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
186626WInterchangeable
interchangeable cross-reference
interchangeable
186626Interchangeable
interchangeable cross-reference
interchangeable
25C560Interchangeable
interchangeable cross-reference
interchangeable
S826Interchangeable
interchangeable cross-reference
interchangeable
PIDSTEFC125Interchangeable
interchangeable cross-reference
interchangeable
E9926Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S826?
S826 is a COUPLING,SHAFT,FLEXIBLE.
What parts can replace S826?
There are 8 known substitutes for S826: 186626W, 186626, 25C560 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S826?
S826 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-4801. This indicates validated use in U.S. government and defense supply chains.
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