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A-0421-23203-MS — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A-0421-23203-MS: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: PLASTIC, end_similarity: NOT IDENTICAL, overall_length: 6.750 INCHES NOMINAL IN, first_end_style: PLAIN, second_end_style: SLOTTED, first_end_diameter: 0.4375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-484-0733, 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
A-0421-23203-MS
NSN: 3040-00-484-0733
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 7ZXR5 — KEYSIGHT TECHNOLOGIES INC (USA)
SPECIFICATIONS
materialPLASTIC
step_quantity2
end_similarityNOT IDENTICAL
overall_length6.750 INCHES NOMINAL IN
first_end_stylePLAIN
second_end_styleSLOTTED
first_end_diameter0.4375 INCHES NOMINAL IN
second_end_diameter0.1875 INCHES NOMINAL IN
largest_step_diameter0.438 INCHES NOMINAL IN
second_end_slot_depth0.062 INCHES NOMINAL IN
second_end_slot_width0.047 INCHES NOMINAL IN
NSN3040-00-484-0733
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN A-0421-23203-MS MFR SHAFT,SHOULDERED
KEY FEATURES
•
STEP QUANTITY: 2
•
FIRST END DIAMETER: 0.4375 INCHES NOMINAL IN
•
SECOND END DIAMETER: 0.1875 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 0.438 INCHES NOMINAL IN
•
FIRST END STYLE: PLAIN
•
SECOND END SLOT DEPTH: 0.062 INCHES NOMINAL IN
•
END SIMILARITY: NOT IDENTICAL
TECHNICAL CHARACTERISTICS
STEP QUANTITY2
FIRST END DIAMETER0.4375 INCHES NOMINAL IN
SECOND END DIAMETER0.1875 INCHES NOMINAL IN
LARGEST STEP DIAMETER0.438 INCHES NOMINAL IN
FIRST END STYLEPLAIN
OVERALL LENGTH6.750 INCHES NOMINAL IN
SECOND END SLOT DEPTH0.062 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
SECOND END SLOT WIDTH0.047 INCHES NOMINAL IN
SECOND END STYLESLOTTED
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 1
01421-23203Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A-0421-23203-MS?
A-0421-23203-MS is a SHAFT,SHOULDERED.
What parts can replace A-0421-23203-MS?
There is 1 known substitute for A-0421-23203-MS: 01421-23203. Substitute compatibility should be verified for your specific system.
What is the NSN for A-0421-23203-MS?
A-0421-23203-MS is cataloged in the U.S. Government catalog under NSN 3040-00-484-0733. 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.