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ANV-P7042Quoted on request

7×4.2×2 NDAA-Compliant Bi-Blade Propeller

7-inch·Fixed·Polycarbonate·2-blade·CW / CCW

Domestic NDAA-compliant 7-inch bi-blade — drop-in for the Gemfan Flash 7042. Made in Nevada, USA.

Get pricing and lead timeRequest specsNot the size you need? See the full cross-reference →

No performance numbers are published until backed by real test data.

Specifications — drop-in fitment for Gemfan Flash 7042

Part Number
ANV-P7042
Size (D × P × Blades)
7×4.2×2
Diameter
178.4 mm (7 in)
Pitch
4.2 in
Hub
5 mm bore
Hub Thickness
7.5 mm
Motor Class
2407–2408 class
referenced part
Reference Mass
5.52 g
referenced part
Blades
2
Configuration
Fixed
Rotation
CW & CCW available (ordered as -CW / -CCW)
Material
Polycarbonate
Application
Efficient long-range cruise (2407–2408 motors)
Country of Origin
United States
Unit of Issue
Ordered by rotation — -CW and -CCW are separate part numbers
Quantity and set composition confirmed at quote
CAGE Code
23SC7
Availability
Quoted on request
Lead time quoted per program

Dimensions and fitment data are the referenced propeller's own published specification, not Anvil measurements.

Replaces Gemfan Flash 7042

If your bill of materials calls out Gemfan Flash 7042 — or an equivalent Gemfan Flash-class 7-inch bi-blade — the Anvil Propulsion 7×4.2×2 is the domestic, NDAA-compliant replacement. Send us the foreign part number on your BOM and we'll confirm fitment.

Anvil Part NumberSizeDrop-In ForClass
ANV-P70427×4.2×2Gemfan Flash 7042Gemfan Flash-class

Why replace it at all? Foreign-made propellers face tightening NDAA covered-country flow-downs and FCC restrictions. See our plain-language compliance guide and why the sourcing gap exists now.

Other Sizes

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5.1×3.6×3
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5.1×4.6×3
A 5.1-inch tri-blade in polycarbonate at 4.6-inch pitch, for tactical FPV and high-performance 5-inch platforms.
5.1×4.7×3
A 5.1-inch tri-blade in polycarbonate, for freestyle and mid-range FPV platforms.
7×4×3
Drop-in for Gemfan Flash 7040
8×4×3
Drop-in for Gemfan 8040-3
10×5×3
Drop-in for Gemfan 1050 Cinelifter
12×6×3
A 12-inch tri-blade in glass-fiber-reinforced PA66, for heavy-lift and Group 2 multirotor platforms.
3×3×3
Drop-in for HQProp T3X2.9X3
3×2.5×3
A 3-inch tri-blade built to a customer-specified 2.5-inch pitch, for training and endurance-tuned micro platforms.
3.5×3×3
Drop-in for Gemfan D90-3 / D90S-3 3.5″
5.1×3.1×3
Drop-in for Gemfan Fury 5131.0
6×4×3
A 6-inch tri-blade in glass-fiber-reinforced PA66, for small multirotor lift and transitional FPV and long-range platforms.
6×4.5×3
Drop-in for Gemfan Hurricane 6045-3
10×5.1×2
Drop-in for Gemfan 1051F-2
10×5.1×3
Drop-in for Gemfan 1051F-3
6×4×2
Tube-launched, packable, and collapse-for-deployment airframes

Need the 7×4.2×2 in volume?

Send your quantity, NDAA requirement, and timeline. We'll come back with availability and a quote.

Request a Quote