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Technical Data Sheet
304012 ✓ 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

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 55.00 MILLIMETERS NOMINAL MM, overall_width: 21.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4920-00-137-3693, 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
304012
NSN: 4920-00-137-3693
FSC: 4920
CAGE: 22915 — NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter55.00 MILLIMETERS NOMINAL MM
overall_width21.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
features_providedSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
overall_outside_diameter100.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
nondefinitive_spec/std_data111CL4GR00 TYPE
retainer_fabrication_methodPRESSED
NSN4920-00-137-3693
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BEARING,BALL,ANNULAR TITLE COMPONENT PN 304012 MFR BEARING,BALL,ANNULAR
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONF4E AIRCRAFT
SPECIAL FEATURESCOMPANY ITEM NAME--LEAK DETECTOR, CONVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
211LInterchangeable
interchangeable cross-reference
interchangeable
731740Interchangeable
interchangeable cross-reference
interchangeable
211GInterchangeable
interchangeable cross-reference
interchangeable
304012Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 304012?
304012 is a BEARING,BALL,ANNULAR.
What parts can replace 304012?
There are 4 known substitutes for 304012: 211L, 731740, 211G and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 304012?
304012 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4920-00-137-3693. This indicates validated use in U.S. government and defense supply chains.
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