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Technical Data Sheet
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48-981 — Technical Data Sheet

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— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The COUPLING,SHAFT,FLEXIBLE is a the manufacturer industrial component. Key specifications include diameter: 0.3325 INCHES NOMINAL IN, material: STEEL LOCATION NOT OTHERWISE SPECIFIED, bore_shape: STRAIGHT BOTH ENDS, shank_type: STRAIGHT, design_type: INSERT, reamer_type: MULTIFLUTE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-380-0021, 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
MRO→ MRO_GENERAL→ 48-981
NSN: 5365-00-380-0021
FSC: 5365
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
diameter0.3325 INCHES NOMINAL IN
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
bore_shapeSTRAIGHT BOTH ENDS
shank_typeSTRAIGHT
design_typeINSERT
reamer_typeMULTIFLUTE
flute_designSTRAIGHT
keyway_depth0.1250 INCHES NOMINAL BOTH ENDS IN
keyway_width0.125 INCHES NOMINAL BOTH ENDS IN
bore_diameter0.5000 INCHES NOMINAL BOTH ENDS IN
special_features48981 BREAKER CIRCUIT 20AMP 1 POLE S
features_providedKEYWAY
NSN5365-00-380-0021
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,FLEXIBLE TITLE COMPONENT PN 48-981 MFR COUPLING,SHAFT,FLEXIBL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
4898-1Interchangeable
interchangeable cross-reference
interchangeable
M10001604Interchangeable
interchangeable cross-reference
interchangeable
2903325Interchangeable
interchangeable cross-reference
interchangeable
481538PC2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 48-981?
48-981 is a COUPLING,SHAFT,FLEXIBLE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 48-981?
There are 4 known substitutes for 48-981: 4898-1, M10001604, 2903325 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 48-981?
48-981 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-380-0021. 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: August 2026