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M401840-504 — M401840-504

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

M401840-504: M401840-504.

The M401840-504 is a the manufacturer industrial component. Key specifications include shank_style: CONCAVE, overall_depth: 0.625 INCHES NOMINAL IN, inside_diameter: 0.250 INCHES NOMINAL IN, outside_diameter: 1.750 INCHES NOMINAL IN, style_designator: ROUND, attachment_method: SETSCREWS. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-644-2092, 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
M401840-504
NSN: 5355-00-644-2092
FSC: 5355 — Knobs and Pointers
CAGE: 11447 — L3 TECHNOLOGIES, INC. DIV COMMUNICATION SYSTEMS-EAST (USA)
SPECIFICATIONS
shank_styleCONCAVE
overall_depth0.625 INCHES NOMINAL IN
inside_diameter0.250 INCHES NOMINAL IN
outside_diameter1.750 INCHES NOMINAL IN
style_designatorROUND
attachment_methodSETSCREWS
overall_thickness1.062 INCHES NOMINAL IN
nominal_thread_size0.164 INCHES SCREW HOLE IN
setscrew_hole_quantity2
thread_quantity_per_inch32 SCREW HOLE
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SCREW HOLE
shaft_accommodation_styleROUND
NSN5355-00-644-2092
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available M401840-504 TITLE COMPONENT PN M401840-504 MFR M401840-504
KEY FEATURES
•
SHAFT ACCOMMODATION STYLE: ROUND
•
OVERALL THICKNESS: 1.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
OUTSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
SETSCREW HOLE QUANTITY: 2
•
NOMINAL THREAD SIZE: 0.164 INCHES SCREW HOLE IN
•
INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
SHANK STYLE: CONCAVE
TECHNICAL CHARACTERISTICS
SHAFT ACCOMMODATION STYLEROUND
OVERALL THICKNESS1.062 INCHES NOMINAL IN
STYLE DESIGNATORROUND
OUTSIDE DIAMETER1.750 INCHES NOMINAL IN
SETSCREW HOLE QUANTITY2
NOMINAL THREAD SIZE0.164 INCHES SCREW HOLE IN
INSIDE DIAMETER0.250 INCHES NOMINAL IN
SHANK STYLECONCAVE
GRIPPING SURFACE CONDITIONGRIP AID
COLORBLACK
OTHER ITEMS IN FSC 5355 — Knobs and Pointers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5355-00-000-5777 5355-00-001-2029 5355-00-001-2403 5355-00-001-4109 5355-00-001-4677 5355-00-001-4724 5355-00-001-4730 5355-00-001-4734
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 M401840-504?
M401840-504 is a M401840-504.
What is the NSN for M401840-504?
M401840-504 is cataloged in the U.S. Government catalog under NSN 5355-00-644-2092. 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.