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A28432A — COUPLING,SHAFT,FLEXIBLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A28432A: COUPLING,SHAFT,FLEXIBLE.

The COUPLING,SHAFT,FLEXIBLE is a the manufacturer industrial component. Key specifications include key_width: 0.500 INCHES NOMINAL BOTH ENDS IN, bore_shape: TAPERED BOTH ENDS, bore_length: 2.3750 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM THROUGH BORE IN, design_type: INTERNAL GEAR, keyway_depth: 0.2550 INCHES NOMINAL BOTH ENDS IN, overall_length: 5.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3010-00-253-9804, 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
A28432A
NSN: 3010-00-253-9804
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 50228 — RELIANCE ELECTRIC INDUSTRIAL CO MASTER-REEVES DIV (USA)
SPECIFICATIONS
key_width0.500 INCHES NOMINAL BOTH ENDS IN
bore_shapeTAPERED BOTH ENDS
bore_length2.3750 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM THROUGH BORE IN
design_typeINTERNAL GEAR
keyway_depth0.2550 INCHES NOMINAL BOTH ENDS IN
overall_length5.375 INCHES NOMINAL IN
outside_diameter7.000 INCHES NOMINAL IN
counterbore_depth0.1250 INCHES MINIMUM AND 0.9380 INCHES MAXIMUM THROUGH BORE IN
features_providedKEYWAY AND COUNTERBORE AND EXPOSED COUPLING BOLT TYPE AND VERTICAL GRID SPRING AND SHROUDED COUPLING BOLT TYPE
counterbore_diameter3.3750 INCHES MINIMUM AND 4.5000 INCHES MAXIMUM THROUGH BORE IN
keying_facility_typeKEYWAY BOTH ENDS
taper_minor_diameter1.8710 INCHES NOMINAL BOTH ENDS IN
NSN3010-00-253-9804
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,FLEXIBLE TITLE COMPONENT PN A28432A MFR COUPLING,SHAFT,FLEXIBL
KEY FEATURES
•
KEYWAY DEPTH: 0.2550 INCHES NOMINAL BOTH ENDS IN
•
BORE LENGTH: 2.3750 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM THROUGH BORE IN
•
KEY WIDTH: 0.500 INCHES NOMINAL BOTH ENDS IN
•
DESIGN TYPE: INTERNAL GEAR
•
TAPER MINOR DIAMETER: 1.8710 INCHES NOMINAL BOTH ENDS IN
•
KEYING FACILITY TYPE: KEYWAY BOTH ENDS
•
OUTSIDE DIAMETER: 7.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
KEYWAY DEPTH0.2550 INCHES NOMINAL BOTH ENDS IN
BORE LENGTH2.3750 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM THROUGH BORE IN
KEY WIDTH0.500 INCHES NOMINAL BOTH ENDS IN
DESIGN TYPEINTERNAL GEAR
TAPER MINOR DIAMETER1.8710 INCHES NOMINAL BOTH ENDS IN
KEYING FACILITY TYPEKEYWAY BOTH ENDS
OVERALL LENGTH5.375 INCHES NOMINAL IN
OUTSIDE DIAMETER7.000 INCHES NOMINAL IN
COUNTERBORE DEPTH0.1250 INCHES MINIMUM AND 0.9380 INCHES MAXIMUM THROUGH BORE IN
FEATURES PROVIDEDKEYWAY AND COUNTERBORE AND EXPOSED COUPLING BOLT TYPE AND VERTICAL GRID SPRING AND SHROUDED COUPLING BOLT TYPE
OTHER ITEMS IN FSC 3010 — Torque Converters and Speed Changers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3010-00-001-0013 3010-00-001-0067 3010-00-001-0069 3010-00-001-0095 3010-00-001-1239 3010-00-001-1689 3010-00-001-2168 3010-00-001-2173
SUBSTITUTES & CROSS-REFERENCES 3
SG2414PC27Reference document
Same NSN cross-reference
Reference document — Secondary reference
2SCS681Reference document
Same NSN cross-reference
Reference document — Secondary reference
SCS681Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A28432A?
A28432A is a COUPLING,SHAFT,FLEXIBLE.
What parts can replace A28432A?
There are 3 known substitutes for A28432A: SG2414PC27, 2SCS681, SCS681. Substitute compatibility should be verified for your specific system.
What is the NSN for A28432A?
A28432A is cataloged in the U.S. Government catalog under NSN 3010-00-253-9804. This indicates validated use in U.S. government and defense supply chains.
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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.