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Technical Data Sheet

SC-B-18931 — Technical Data Sheet

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· COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.3750 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-204-2424, 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
SC-B-18931
NSN: 3020-00-204-2424
FSC: 3020
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
pitch_diameter1.3750 INCHES NOMINAL IN
pressure_angle14.5000 DEGREES
teeth_quantity66
special_features2 NICKEL COATED DRILL ROD PINS 0.046 IN. DIA BY 5/16 IN. LG,PINS PRESSED IN GEAR FACE 0.781 IN. C TO C IN
style_designatorPROTRUDING HUB
surface_treatmentNICKEL OVERALL
face_nominal_width0.125 INCHES IN
hub_nominal_diameter0.500 INCHES FIRST END IN
NSN3020-00-204-2424
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN SC-B-18931 MFR GEAR,SPUR
KEY FEATURES
TEETH QUANTITY: 66
BORE STYLE: PLAIN BOTH ENDS
FACE NOMINAL WIDTH: 0.125 INCHES IN
MATERIAL: COPPER ALLOY OVERALL
PITCH DIAMETER: 1.3750 INCHES NOMINAL IN
STYLE DESIGNATOR: PROTRUDING HUB
HUB NOMINAL DIAMETER: 0.500 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
TEETH QUANTITY66
BORE STYLEPLAIN BOTH ENDS
SPECIAL FEATURES2 NICKEL COATED DRILL ROD PINS 0.046 IN. DIA BY 5/16 IN. LG,PINS PRESSED IN GEAR FACE 0.781 IN. C TO C IN
FACE NOMINAL WIDTH0.125 INCHES IN
MATERIALCOPPER ALLOY OVERALL
PITCH DIAMETER1.3750 INCHES NOMINAL IN
STYLE DESIGNATORPROTRUDING HUB
HUB NOMINAL DIAMETER0.500 INCHES FIRST END IN
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.218 INCHES FIRST END IN
NOMINAL OVERALL LENGTH0.529 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
21138Interchangeable
interchangeable cross-reference
interchangeable
0852-0003Interchangeable
interchangeable cross-reference
interchangeable
6-4Interchangeable
interchangeable cross-reference
interchangeable
622212Interchangeable
interchangeable cross-reference
interchangeable
21-138-1Interchangeable
interchangeable cross-reference
interchangeable
21317-1018-16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SC-B-18931?
SC-B-18931 is a GEAR,SPUR.
What parts can replace SC-B-18931?
There are 13 known substitutes for SC-B-18931: 21138, 0852-0003, 6-4 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SC-B-18931?
SC-B-18931 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-204-2424. This indicates validated use in U.S. government and defense supply chains.
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