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Technical Data Sheet
B21519 ✓ 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 GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, body_style: PLAIN, SOLID, tooth_form: STANDARD, pitch_diameter: 0.8437 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES, teeth_quantity: 27. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4920-00-186-8706, 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
B21519
NSN: 4920-00-186-8706
FSC: 4920
CAGE: 82227 — VDO CONTROL SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
body_stylePLAIN, SOLID
tooth_formSTANDARD
pitch_diameter0.8437 INCHES NOMINAL IN
pressure_angle14.5000 DEGREES
teeth_quantity27
style_designatorPROTRUDING HUB
end_nominal_length0.016 INCHES FIRST END IN
face_nominal_width0.188 INCHES IN
bore_nominal_diameter0.313 INCHES BOTH ENDS IN
nominal_overall_length0.500 INCHES IN
nominal_outside_diameter0.906 INCHES IN
NSN4920-00-186-8706
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN B21519 MFR GEAR,SPUR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
979-1B343Interchangeable
interchangeable cross-reference
interchangeable
R11703Interchangeable
interchangeable cross-reference
interchangeable
B21519Interchangeable
interchangeable cross-reference
interchangeable
C3888Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B21519?
B21519 is a GEAR,SPUR.
What parts can replace B21519?
There are 4 known substitutes for B21519: 979-1B343, R11703, B21519 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B21519?
B21519 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4920-00-186-8706. This indicates validated use in U.S. government and defense supply chains.
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