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845-6556494 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

845-6556494: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 3.0150 INCHES NOMINAL IN, first_end_style: EXTERNALLY THREADED AND FLAT KEYWAY, second_end_style: TWO FLATS, first_end_diameter: 0.4690 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-382-3180, 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
845-6556494
NSN: 3040-01-382-3180
NIINs: 013823180, 014134071
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL
step_quantity4
end_similarityNOT IDENTICAL
overall_length3.0150 INCHES NOMINAL IN
first_end_styleEXTERNALLY THREADED AND FLAT KEYWAY
second_end_styleTWO FLATS
first_end_diameter0.4690 INCHES NOMINAL IN
second_end_diameter1.3350 INCHES NOMINAL IN
largest_step_diameter1.3350 INCHES NOMINAL IN
external_keyway_length0.59000 INCHES NOMINAL FIRST END IN
first_end_keyway_depth0.0630 INCHES NOMINAL IN
first_end_keyway_width0.1250 INCHES NOMINAL IN
NSN3040-01-382-3180
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 845-6556494 MFR SHAFT,SHOULDERED
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
SUBSTITUTES & CROSS-REFERENCES 2
845-6800704-045Reference document
Same NSN cross-reference
Reference document — Secondary reference
845-6603141-45Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required (F)
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FREQUENTLY ASKED QUESTIONS
What is 845-6556494?
845-6556494 is a SHAFT,SHOULDERED.
What parts can replace 845-6556494?
There are 2 known substitutes for 845-6556494: 845-6800704-045, 845-6603141-45. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-6556494?
845-6556494 is cataloged in the U.S. Government catalog under NSN 3040-01-382-3180. 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.