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58A30B18 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

58A30B18: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 0.5625 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-652-3657, 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
58A30B18
NSN: 3020-00-652-3657
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
pitch_diameter0.5625 INCHES NOMINAL IN
pressure_angle14.5000 DEGREES
teeth_quantity18
style_designatorPROTRUDING HUB
surface_treatmentCADMIUM OVERALL
face_nominal_width0.188 INCHES IN
backlash_designationGRADE B
hub_nominal_diameter0.469 INCHES FIRST END IN
NSN3020-00-652-3657
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 58A30B18 MFR GEAR,SPUR
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.251 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 0.469 INCHES FIRST END IN
•
BACKLASH DESIGNATION: GRADE B
•
TEETH QUANTITY: 18
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
BODY STYLE: PLAIN, SOLID
•
BORE STYLE: PLAIN BOTH ENDS
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.313 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.251 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER0.469 INCHES FIRST END IN
BACKLASH DESIGNATIONGRADE B
TEETH QUANTITY18
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
BODY STYLEPLAIN, SOLID
BORE STYLEPLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.313 INCHES FIRST END IN
PRECISION CLASSIFICATIONQUALITY NUMBER 8
STYLE DESIGNATORPROTRUDING HUB
OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-001-2090 3020-00-001-4468 3020-00-007-2779 3020-00-009-4033 3020-00-031-2269 3020-00-146-4181 3020-00-146-4222 3020-00-425-7115
SUBSTITUTES & CROSS-REFERENCES 1
58A30B18-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 58A30B18?
58A30B18 is a GEAR,SPUR.
What parts can replace 58A30B18?
There is 1 known substitute for 58A30B18: 58A30B18-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 58A30B18?
58A30B18 is cataloged in the U.S. Government catalog under NSN 3020-00-652-3657. 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.