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Technical Data Sheet
PartsTable / MRO / 37501
37501 ✓ Verified by PartsTable
Legrand · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The ARRESTER,ELECTRICAL SURGE is a Legrand industrial component. Key specifications include length: 3.750 INCHES NOMINAL IN, usage_design: INDOOR, arrester_type: GAS, body_material: GLASS, terminal_type: FERRULE, overall_length: 0.859 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3537, 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
MRO→ MRO_GENERAL→ 37501
NSN: 3110-00-100-3537
FSC: 3110
CAGE: 78640 — MITSUBISHI CATERPILLAR FORKLIFT AMERICA, INC (USA)
SPECIFICATIONS
length3.750 INCHES NOMINAL IN
usage_designINDOOR
arrester_typeGAS
body_materialGLASS
terminal_typeFERRULE
overall_length0.859 INCHES NOMINAL IN
insert_materialPLASTIC SINGLE MATING END
insert_quantity1
mounting_methodTERMINAL
overall_diameter0.500 INCHES NOMINAL IN
special_featuresTHREE HOLES 0.234 IN. DIA EQUALLY SPACED ALONG LG ON BOTH SIDES IN
breakdown_voltage1200.000 VOLTS NOMINAL
NSN3110-00-100-3537
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 37501 · Legrand ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
17138-04Interchangeable
interchangeable cross-reference
interchangeable
17138Interchangeable
interchangeable cross-reference
interchangeable
1484974-1Interchangeable
interchangeable cross-reference
interchangeable
0SM531-7752Interchangeable
interchangeable cross-reference
interchangeable
321358-2Interchangeable
interchangeable cross-reference
interchangeable
251817-517-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 37501?
37501 is a ARRESTER,ELECTRICAL SURGE manufactured by Legrand. It is classified as a MRO (MRO_GENERAL).
What parts can replace 37501?
There are 28 known substitutes for 37501: 17138-04, 17138, 1484974-1 and 25 more. Substitute compatibility should be verified for your specific system.
Is 37501 still available?
37501 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026