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400646 — 400646

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

400646: 400646.

The 400646 is a the manufacturer industrial component. Key specifications include material: ALUMINUM, shank_style: STRAIGHT, shank_diameter: 0.740 INCHES NOMINAL IN, inside_diameter: 0.250 INCHES NOMINAL IN, attachment_method: SETSCREWS, material_transparency: OPAQUE. This part is cataloged in the U.S.

Government catalog under NSN 5355-01-200-4975, 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
400646
NSN: 5355-01-200-4975
FSC: 5355 — Knobs and Pointers
CAGE: 02145 — RICHARDS IMAGERY INTERPRETATION SYSTEMS, L.L.C. (USA)
SPECIFICATIONS
materialALUMINUM
shank_styleSTRAIGHT
shank_diameter0.740 INCHES NOMINAL IN
inside_diameter0.250 INCHES NOMINAL IN
attachment_methodSETSCREWS
material_transparencyOPAQUE
setscrew_hole_quantity2
shaft_accommodation_styleROUND
gripping_surface_conditionSMOOTH
distance_from_hole_center_to_knob/skirt_base0.489 INCHES NOMINAL IN
NSN5355-01-200-4975
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 400646 TITLE COMPONENT PN 400646 MFR 400646
KEY FEATURES
•
SHANK DIAMETER: 0.740 INCHES NOMINAL IN
•
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE: 0.489 INCHES NOMINAL IN
•
SHAFT ACCOMMODATION STYLE: ROUND
•
MATERIAL TRANSPARENCY: OPAQUE
•
SETSCREW HOLE QUANTITY: 2
•
INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
SHANK STYLE: STRAIGHT
•
GRIPPING SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.740 INCHES NOMINAL IN
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE0.489 INCHES NOMINAL IN
SHAFT ACCOMMODATION STYLEROUND
MATERIAL TRANSPARENCYOPAQUE
SETSCREW HOLE QUANTITY2
INSIDE DIAMETER0.250 INCHES NOMINAL IN
SHANK STYLESTRAIGHT
GRIPPING SURFACE CONDITIONSMOOTH
COLORBLACK
MATERIALALUMINUM
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 1
DS175-6-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 400646?
400646 is a 400646.
What parts can replace 400646?
There is 1 known substitute for 400646: DS175-6-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 400646?
400646 is cataloged in the U.S. Government catalog under NSN 5355-01-200-4975. 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.