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1128AMM40411 — SHAFT,SHOULDERED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1128AMM40411: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 5.437 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES, first_end_style: CIRCULAR GROOVED, second_end_style: EXTERNAL THREADED. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-243-4431, 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
1128AMM40411
NSN: 3040-00-243-4431
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL
step_quantity4
end_similarityNOT IDENTICAL
overall_length5.437 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES
first_end_styleCIRCULAR GROOVED
second_end_styleEXTERNAL THREADED
first_end_diameter0.9800 INCHES NOMINAL IN
second_end_diameter0.3750 INCHES NOMINAL IN
largest_step_diameter0.980 INCHES NOMINAL IN
first_end_groove_width0.0940 INCHES NOMINAL IN
first_end_groove_diameter0.4920 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
NSN3040-00-243-4431
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 1128AMM40411 MFR SHAFT,SHOULDERED
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES
•
STEP QUANTITY: 4
•
FIRST END DIAMETER: 0.9800 INCHES NOMINAL IN
•
SECOND END DIAMETER: 0.3750 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 0.980 INCHES NOMINAL IN
•
FIRST END STYLE: CIRCULAR GROOVED
•
END SIMILARITY: NOT IDENTICAL
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES
STEP QUANTITY4
FIRST END DIAMETER0.9800 INCHES NOMINAL IN
SECOND END DIAMETER0.3750 INCHES NOMINAL IN
LARGEST STEP DIAMETER0.980 INCHES NOMINAL IN
FIRST END STYLECIRCULAR GROOVED
OVERALL LENGTH5.437 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
FIRST END DISTANCE FROM END TO GROOVE0.125 INCHES NOMINAL IN
FIRST END GROOVE DIAMETER0.4920 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM 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 1
1128AMM40411-11Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 1128AMM40411?
1128AMM40411 is a SHAFT,SHOULDERED.
What parts can replace 1128AMM40411?
There is 1 known substitute for 1128AMM40411: 1128AMM40411-11. Substitute compatibility should be verified for your specific system.
What is the NSN for 1128AMM40411?
1128AMM40411 is cataloged in the U.S. Government catalog under NSN 3040-00-243-4431. 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.