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YMD-6634 — MOTOR,HYDRAULIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

YMD-6634: MOTOR,HYDRAULIC.

The MOTOR,HYDRAULIC is a the manufacturer industrial component. Key specifications include spline_pitch: 16/32, mounting_type: FLANGE, spline_length: 1.250 INCHES NOMINAL IN, connection_type: INLET AND OUTLET, spline_quantity: 13, drive_shaft_type: SPLINED, INVOLUTE EXTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 4320-01-451-6002, 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
YMD-6634
NSN: 4320-01-451-6002
FSC: 4320 — Power and Hand Pumps
CAGE: 70433 — APPLETON MARINE INC (USA)
SPECIFICATIONS
spline_pitch16/32
mounting_typeFLANGE
spline_length1.250 INCHES NOMINAL IN
connection_typeINLET AND OUTLET
spline_quantity13
drive_shaft_typeSPLINED, INVOLUTE EXTERNAL
connection_designFLANGED
displacement_typeCONSTANT OR VARIABLE
bolt_hole_quantity8
torque_load_rating660.0 INCH-POUNDS IN
connection_quantity2
mounting_hole_diameter0.560 INCHES NOMINAL IN
NSN4320-01-451-6002
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MOTOR,HYDRAULIC TITLE COMPONENT PN YMD-6634 MFR MOTOR,HYDRAULIC
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 2
•
SPLINE PITCH: 16/32
•
DISPLACEMENT TYPE: CONSTANT OR VARIABLE
•
CONNECTION DESIGN: FLANGED
•
TORQUE LOAD RATING: 660.0 INCH-POUNDS IN
•
SHAFT PROTRUSION LENGTH: 1.620 INCHES NOMINAL IN
•
SPLINE LENGTH: 1.250 INCHES NOMINAL IN
•
CONNECTION TYPE: INLET AND OUTLET
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2
SPLINE PITCH16/32
DISPLACEMENT TYPECONSTANT OR VARIABLE
CONNECTION DESIGNFLANGED
TORQUE LOAD RATING660.0 INCH-POUNDS IN
SHAFT PROTRUSION LENGTH1.620 INCHES NOMINAL IN
SPLINE LENGTH1.250 INCHES NOMINAL IN
CONNECTION TYPEINLET AND OUTLET
MOUNTING HOLE DIAMETER0.560 INCHES NOMINAL IN
SHAFT ROTATION DIRECTIONCLOCKWISE AND COUNTERCLOCKWISE
OTHER ITEMS IN FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4320-00-001-1633 4320-00-001-2628 4320-00-001-2629 4320-00-001-2630 4320-00-001-2631 4320-00-001-2632 4320-00-001-3377 4320-00-001-3384
SUBSTITUTES & CROSS-REFERENCES 2
WM31A997BE-OF10-25Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
YMD-7274Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is YMD-6634?
YMD-6634 is a MOTOR,HYDRAULIC.
What parts can replace YMD-6634?
There are 2 known substitutes for YMD-6634: WM31A997BE-OF10-25, YMD-7274. Substitute compatibility should be verified for your specific system.
What is the NSN for YMD-6634?
YMD-6634 is cataloged in the U.S. Government catalog under NSN 4320-01-451-6002. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.