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1854189 — EXTENSION SHAFT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1854189: EXTENSION SHAFT.

The EXTENSION SHAFT is a the manufacturer industrial component. Key specifications include length: 3.000 INCHES NOMINAL IN, socket_diameter: 0.348 INCHES NOMINAL IN, outside_diameter: 0.625 INCHES NOMINAL IN, style_designator: FLATTED, shaft_end_diameter: 0.286 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-313-9674, 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
1854189
NSN: 3040-01-313-9674
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
length3.000 INCHES NOMINAL IN
socket_diameter0.348 INCHES NOMINAL IN
outside_diameter0.625 INCHES NOMINAL IN
style_designatorFLATTED
shaft_end_diameter0.286 INCHES NOMINAL IN
NSN3040-01-313-9674
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available EXTENSION SHAFT TITLE COMPONENT PN 1854189 MFR EXTENSION SHAFT
KEY FEATURES
•
SOCKET DIAMETER: 0.348 INCHES NOMINAL IN
•
LENGTH: 3.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLATTED
•
OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
SHAFT END DIAMETER: 0.286 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SOCKET DIAMETER0.348 INCHES NOMINAL IN
LENGTH3.000 INCHES NOMINAL IN
STYLE DESIGNATORFLATTED
OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
SHAFT END DIAMETER0.286 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1854189?
1854189 is a EXTENSION SHAFT.
What is the NSN for 1854189?
1854189 is cataloged in the U.S. Government catalog under NSN 3040-01-313-9674. 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.