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Technical Data Sheet
PartsTable / COMPONENT / B-40731
B-40731 ✓ 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

The B-40731 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-01-126-7884, 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
B-40731
NSN: 6105-01-126-7884
FSC: 6105
CAGE: 11384 — KOLLMORGEN CORP (USA)
SPECIFICATIONS
Part NumberB-40731
NSN6105-01-126-7884
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: B-40731 · 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
•
OVERALL DIAMETER: 2.8980 INCHES MINIMUM AND 2.9020 INCHES MAXIMUM IN
•
FEATURES PROVIDED: SHAFT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER2.8980 INCHES MINIMUM AND 2.9020 INCHES MAXIMUM IN
FEATURES PROVIDEDSHAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
906-0100Interchangeable
interchangeable cross-reference
interchangeable
4073-1Interchangeable
interchangeable cross-reference
interchangeable
PS4073-1Interchangeable
interchangeable cross-reference
interchangeable
CEJ90374-1Interchangeable
interchangeable cross-reference
interchangeable
292-4706G2Interchangeable
interchangeable cross-reference
interchangeable
9073000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-40731?
B-40731 is a B-40731.
What parts can replace B-40731?
There are 10 known substitutes for B-40731: 906-0100, 4073-1, PS4073-1 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-40731?
B-40731 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-01-126-7884. 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