PartsTable
Technical Data Sheet
M-478A ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

OSCILLATOR,NONCRYSTAL CONTROLLED. Key specifications include material: COPPER ALLOY 932 OVERALL, cup_width: 0.6250 INCHES NOMINAL IN, cone_width: 0.7620 INCHES NOMINAL IN, corner_shape: SQUARE ALL CORNERS, bore_diameter: 1.0000 INCHES NOMINAL IN, overall_width: 0.7813 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5955-01-311-6188, 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
M-478A
NSN: 5955-01-311-6188
FSC: 5955
CAGE: 75214 — KAHLENBERG INDUSTRIES, INC. DBA KAHLENBERG INDUSTRIES INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 932 OVERALL
cup_width0.6250 INCHES NOMINAL IN
cone_width0.7620 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
bore_diameter1.0000 INCHES NOMINAL IN
overall_width0.7813 INCHES NOMINAL IN
overall_length0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
standout_width0.1563 INCHES NOMINAL IN
surface_finish63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
cone_corner_radius0.0460 INCHES NOMINAL IN
body_inside_diameter0.2490 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
NSN5955-01-311-6188
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available OSCILLATOR,NONCRYSTAL CONTROLLED TITLE COMPONENT PN M-478A MFR OSCILLATOR,NONCRYSTAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
SK203-45Interchangeable
interchangeable cross-reference
interchangeable
223229Interchangeable
interchangeable cross-reference
interchangeable
1986-1931Interchangeable
interchangeable cross-reference
interchangeable
B-2Interchangeable
interchangeable cross-reference
interchangeable
M47-8Interchangeable
interchangeable cross-reference
interchangeable
MS35771-11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M-478A?
M-478A is a OSCILLATOR,NONCRYSTAL CONTROLLED.
What parts can replace M-478A?
There are 6 known substitutes for M-478A: SK203-45, 223229, 1986-1931 and 3 more. Substitute compatibility should be verified for your specific system.
Is M-478A still available?
M-478A is currently cancelled.
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