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Technical Data Sheet
PartsTable / COMPONENT / 2237-52
2237-52 ✓ Verified by PartsTable
— · MOTOR
WHAT YOU NEED TO KNOW
NEMA frame determines mounting bolt pattern TEFC for outdoor, ODP for dry indoor only
C-face vs foot-mount — different mounting
PRODUCT OVERVIEW

RECTIFIER,SEMICONDUCTOR DEVICE,U. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN, thread_class: 2A A, terminal_type: WIRE LEAD, thread_length: 1.750 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-475-0216, 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
2237-52
NSN: 6105-00-475-0216
FSC: 6105
CAGE: 18965 — DYNAMIC AIR ENGINEERING, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
thread_class2A A
terminal_typeWIRE LEAD
thread_length1.750 INCHES MINIMUM IN
fastener_length2.000 INCHES NOMINAL IN
inside_diameter2.190 INCHES NOMINAL IN
overall_diameter3.463 INCHES NOMINAL IN
special_featuresALUMINUM HEAT TRANSFER BLOCK;TWO DIODES ENCASED;1.000 IN. LG;0.500 IN. W;0.630 IN. H;THREE TERMINALS;SINGLE PHASE BRIDGE IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
NSN6105-00-475-0216
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 2237-52 · OEM ⚠ VERIFY BEFORE ORDERING NEMA frame size determines mounting bolt pattern — not interchangeable. 56C ≠ 143T bolt pattern. C-face vs foot-mount vs flange — different mounting, same HP doesn't mean drop-in ✓ BROKER TIP TEFC = outdoor/washdown OK. ODP = dry indoor only. TENV = no external fan, explosion-proof areas. 1750 RPM = 4-pole (most common), 3450 RPM = 2-pole, 1150 RPM = 6-pole PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MAIN POLE QUANTITY: 4
•
OVERALL DIAMETER: 3.463 INCHES NOMINAL IN
•
INSIDE DIAMETER: 2.190 INCHES NOMINAL IN
•
TERMINAL TYPE: WIRE LEAD
•
TERMINAL QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
MAIN POLE QUANTITY4
OVERALL DIAMETER3.463 INCHES NOMINAL IN
INSIDE DIAMETER2.190 INCHES NOMINAL IN
TERMINAL TYPEWIRE LEAD
TERMINAL QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
UT86-265Interchangeable
interchangeable cross-reference
interchangeable
22375-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2237-52?
2237-52 is a RECTIFIER,SEMICONDUCTOR DEVICE,U.
What parts can replace 2237-52?
There are 2 known substitutes for 2237-52: UT86-265, 22375-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 2237-52?
2237-52 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-475-0216. 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