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- NSN 3020-00-243-7289
3020-00-243-7289
Description: Helical Gear
Price Quote
Quality Assurance
We are commited to quality and satisfaction as a certified supplier in the aerospace and military industries.
- Certificate of Conformity
- QC Inspection prior to shipping
- On time delivery
- International Shipping Available
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Export Restrictions
Any part(s) quoted or sold by MilSpec.parts and re-sold (to a third party) CANNOT be sold to a USA embargoed country, company, entity, or person(s). Depending on the ECCN, these commodities may require export license or exception. Diversion contrary to U.S. law is prohibited. Unless otherwise noted, this sale, order or quote may include Munitions List Items (MLI) or Commerce Controlled List Items (CCLI). MLI/CCLI property is controlled by the US Government and in many cases cannot be transferred (exported, sold or given) to a foreign country, a non-US Citizen/National or a non- Permanent US Resident without a valid State/Commerce Department export authorization. It is the responsibility of (the Purchaser) to determine what the applicable requirements may be, to obtain all necessary authorizations, licenses or approvals and are subject to both review and acceptance by MilSpec.parts. The use, disposition, export and re-export of the property covered or included in this sale, order or quote is subject to the provisions of law referenced in End-Use Certificate DLA form 1822, DEC 2001, including, but not limited to, the Arms Export Control Act (22 USC 2751 et seq.); Export Administration Act of 1979 (50 USC App. 2401 et seq.) as contained under Executive Order 12924; International Traffic in Arms Regulations (22 CFR 120 et seq.); Export Administration Regulations (15 CFR 730 et seq.); Foreign Assets Control Regulations (31 CFR 500 et seq.) and the Espionage Act (18 USC 793 et seq.)
3020-00-243-7289 Properties
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NSN:3020-00-243-7289
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Description:Helical Gear
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Shelf Life:N/A
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DEMIL:NO
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UOM:1 EA
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Body Style:Webbed, solid
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Attachment Method:Mounting hole
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Pitch Diameter:12.0208 inches
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Teeth Quantity:53
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Bore Style:W/counterbore counter bore, second end
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Mounting Hole Type And Quantity:6 plain axially through body, first end
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Outside Diameter:12.419 inches
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Teeth Type:Single helix
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Tooth Form:Standard
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Tooth Direction:Left
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Pressure Angle:14.5000 degrees
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Helix Angle:28.1391 degrees
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Distance Between Body Face And Recessed Hub End:0.9843 inches both ends
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Face Width:2.250 inches
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Bore Diameter:4.0620 inches both ends
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Counterbore Depth:0.593 inches counter bore, second end
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Counterbore Diameter:6.1265 inches counter bore, second end
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Mounting Hole Diameter:0.468 inches axially through body, first end
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Bolt Hole Circle Diameter:5.187 inches axially through body, first end
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Material:Steel comp 1035
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Material Specification:66 federal standard single material response and aisi/sae 1035 assn standard single material response
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Style Designator:Recessed hubs




