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423498-3 — SHAFT,STRAIGHT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

423498-3: SHAFT,STRAIGHT.

The SHAFT,STRAIGHT is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 8.125 INCHES NOMINAL IN, surface_finish: 63.0 MICROINCHES, first_end_style: PLAIN, second_end_style: CIRCULAR GROOVED. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-044-3939, 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
423498-3
NSN: 3040-01-044-3939
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
materialSTEEL
end_similarityNOT IDENTICAL
overall_length8.125 INCHES NOMINAL IN
surface_finish63.0 MICROINCHES
first_end_stylePLAIN
second_end_styleCIRCULAR GROOVED
special_featuresTHE ITEM IS NON-AVIATION CRITICAL SAFETY ITEM (CSI) WHOSE FAILURE WILL RESULT IN SERIUOS DAMAGE TO EQUIPMENT OR SERIOUS INJURY OR DEATH TO PERSONNEL
first_end_diameter1.9950 INCHES NOMINAL IN
second_end_diameter1.9950 INCHES NOMINAL IN
fsc_application_dataCATAPULT SYSTEM LAUNCHING SHUTTLE
second_end_groove_width0.3590 INCHES NOMINAL IN
second_end_groove_diameter1.6250 INCHES NOMINAL IN
NSN3040-01-044-3939
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,STRAIGHT TITLE COMPONENT PN 423498-3 MFR SHAFT,STRAIGHT
KEY FEATURES
•
SURFACE FINISH: 63.0 MICROINCHES
•
FSC APPLICATION DATA: CATAPULT SYSTEM LAUNCHING SHUTTLE
•
FIRST END DIAMETER: 1.9950 INCHES NOMINAL IN
•
SECOND END DIAMETER: 1.9950 INCHES NOMINAL IN
•
FIRST END STYLE: PLAIN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
SECOND END GROOVE DIAMETER: 1.6250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES
FSC APPLICATION DATACATAPULT SYSTEM LAUNCHING SHUTTLE
FIRST END DIAMETER1.9950 INCHES NOMINAL IN
SECOND END DIAMETER1.9950 INCHES NOMINAL IN
FIRST END STYLEPLAIN
CRITICALITY CODE JUSTIFICATIONFEAT
OVERALL LENGTH8.125 INCHES NOMINAL IN
SECOND END GROOVE DIAMETER1.6250 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
SECOND END GROOVE WIDTH0.3590 INCHES NOMINAL 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 423498-3?
423498-3 is a SHAFT,STRAIGHT.
What is the NSN for 423498-3?
423498-3 is cataloged in the U.S. Government catalog under NSN 3040-01-044-3939. 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.