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A4993 ✓ 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 ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_angle: 15.0 DEGREES NOMINAL, shaft_type: ROUND SINGLE ACTUATOR, body_length: 2.750 INCHES NOMINAL IN, shaft_length: 0.727 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2B SINGLE PRESSURE CONNECTION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-507-9762, 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
A4993
NSN: 6105-00-507-9762
FSC: 6105
CAGE: 98889 — AEROCONTROLEX GROUP, INC. DIV TALLEY ACTUATORS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_angle15.0 DEGREES NOMINAL
shaft_typeROUND SINGLE ACTUATOR
body_length2.750 INCHES NOMINAL IN
shaft_length0.727 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2B SINGLE PRESSURE CONNECTION
belt_quantity2
overall_width1.563 INCHES NOMINAL IN
pole_quantity1 EACH SECTION FRONT
terminal_typeTAB W/SCREW
overall_height3.188 INCHES NOMINAL IN
overall_length9.764 INCHES NOMINAL IN
NSN6105-00-507-9762
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: A4993 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
5523-8TX1-2PMAInterchangeable
interchangeable cross-reference
interchangeable
499797ITEM122Interchangeable
interchangeable cross-reference
interchangeable
648F3-8X1-2INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A4993?
A4993 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace A4993?
There are 3 known substitutes for A4993: 5523-8TX1-2PMA, 499797ITEM122, 648F3-8X1-2IN. Substitute compatibility should be verified for your specific system.
What is the NSN for A4993?
A4993 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-507-9762. 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