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604985-91RB — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

604985-91RB: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include end_similarity: NOT IDENTICAL, first_end_style: FLAT KEYWAY, second_end_style: FLAT KEYWAY, second_end_diameter: 2.3750 INCHES NOMINAL IN, external_keyway_length: 3.000 INCHES NOMINAL SECOND END IN, end_item_identification: W/S STRATEGIC SEALIFT CONVERSION SHIPS CLASS. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-434-0755, 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
604985-91RB
NSN: 3040-01-434-0755
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
end_similarityNOT IDENTICAL
first_end_styleFLAT KEYWAY
second_end_styleFLAT KEYWAY
second_end_diameter2.3750 INCHES NOMINAL IN
external_keyway_length3.000 INCHES NOMINAL SECOND END IN
end_item_identificationW/S STRATEGIC SEALIFT CONVERSION SHIPS CLASS
NSN3040-01-434-0755
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 604985-91RB MFR SHAFT,SHOULDERED
KEY FEATURES
•
SECOND END DIAMETER: 2.3750 INCHES NOMINAL IN
•
FIRST END STYLE: FLAT KEYWAY
•
END SIMILARITY: NOT IDENTICAL
•
SECOND END STYLE: FLAT KEYWAY
•
EXTERNAL KEYWAY LENGTH: 3.000 INCHES NOMINAL SECOND END IN
TECHNICAL CHARACTERISTICS
SECOND END DIAMETER2.3750 INCHES NOMINAL IN
FIRST END STYLEFLAT KEYWAY
END SIMILARITYNOT IDENTICAL
SECOND END STYLEFLAT KEYWAY
END ITEM IDENTIFICATIONW/S STRATEGIC SEALIFT CONVERSION SHIPS CLASS
EXTERNAL KEYWAY LENGTH3.000 INCHES NOMINAL SECOND END IN
OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 604985-91RB?
604985-91RB is a SHAFT,SHOULDERED.
What is the NSN for 604985-91RB?
604985-91RB is cataloged in the U.S. Government catalog under NSN 3040-01-434-0755. 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.