247 — available from 1 supplier

Supplier	Condition	Qty	Location	Price
Leading Edge Group, LLCVERIFIED Broker · Seller since 2024 AUTHORIZED SOURCETrace: New from authorized distributor1 photoManual	NE - New	0 EA	Beaufort, South Carolina	Request price	Sign in to contact

Product details

CANYON AEROCONNECT · Tactical Communications › Aircraft Audio

Model 247 Audio Mixing Amplifier | Non-DC biased referenced loads

The Model 247 is a multipurpose audio mixing amplifier for mixing aural warning, cockpit voice recorder, or any other aircraft audio signals. Each input is adjustable to accept 0.25 VRMS microphone input signals, headphone audio signals from standard audio systems, or receiver audio signal up to 50 mW. The outputs are designed to drive any impedance from 8 to 10K. Additional inputs can be added by connecting one of the outputs to feed an input of another mixer.

Features

This Model 247 (EDMO# NAT247) is designed for driving non-DC biased (ground referenced) loads.

Contains 3 independent audio mixing circuits that have four input channels and one output channel each
Adjustable inputs accept microphone signals, headphone audio signals, or receiver audio signals
Weight: 0.6 kg (0.42 lb)
Dimensions: 41.40 x 76.96 x 76.96 mm (1.63 x 3.03 x 3.03 in)
TSO-C50c, RTCA/DO-214, RTCA/DO-160C approved

Specifications

Weight:
0.6 kg (0.42 lb)

Dimensions:
41.40 x 76.96 x 76.96 mm (1.63 x 3.03 x 3.03 in)

Power Supply:
28 VDC @ 150mA, maximum (each circuit)

Input Impedance:
600Ω, (15KΩ with gnd/bias jumper removed)

Output Impedance:
100Ω

Frequency Response:
flat within ±3dB from 300 to 6,000 Hz

Distortion:
<1% THD+N

Gain Range:
>12dB

Output:
4.5 Vrms (33mW) into 600Ω, current limited outputs

Mic Bias:
18 VDC @ 30mA, individually selectable

Enclosure:
conversion coated aluminum

Mounting:
bulkhead mount: four #8 screws

Temperature:
-55°C to 70°C

Altitude:
-15,000 to 70,000 ft

TSO-C50c, RTCA/DO-214, RTCA/DO-160C approved

Documents

nat247-nat247-100-manual.pdf

Product content supplied by Leading Edge Group, LLC · available on request from an authorized distributor. Every listing is dated.

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247 — FITTING,LUBRICATION

247 is cataloged as FITTING,LUBRICATION. It carries 10 NSN identities and cross-references to 40 related part numbers. FAA PMA approval is on file from Norton Performance Plastics Corp, Composites Operations. An estimated 2 aircraft of the approved type are registered in the US. The part appears on MCRL cross-reference data. PartsAndPlanes currently shows 1 active listing from 1 seller across the part family.

NSN identities

NSN 001886317 — FITTING,LUBRICATION
NSN 001948873 — JUNCTION BOX
NSN 002233918 — TRANSFORMER,RADIO FREQUENCY
NSN 002754601 — LEAD,ELECTRICAL
NSN 002880529 — BRAKE MACHINE,SHEET METAL,POWER
NSN 002910341 — FILTER ELEMENT,AIR CONDITIONING
NSN 003248113 — SPRING,HELICAL,COMPRESSION
NSN 003723734 — COUPLING,ELECTRICAL CONDUIT
NSN 004081386 — TESTER,DIFFERENTIAL PRESSURE
NSN 005145710 — DIVIDERS,DRAFTING,PROPORTIONAL

Approved sources (CAGE)

58536 FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC · P/N A-A-59214-2D19
05991 CAMERON ENERGY SERVICES CORP. · P/N 09ABXXX0400A1AXXXX03
13499 ROCKWELL COLLINS, INC. · P/N 571-0964-300
14541 COOPER MACHINERY SERVICES LLC · P/N ZA-336
31361 WOODWARD, INC. · P/N 191247
53711 NAVAL SEA SYSTEMS COMMAND · P/N 81828S4105-55293
53711 NAVAL SEA SYSTEMS COMMAND · P/N 81221S41-355PC35
56501 ABB INSTALLATION PRODUCTS INC. · P/N TK128A
65434 RW ACQUISITION, LLC DBA ROPER WHITNEY COMPANY
79500 WESTINGHOUSE ELECTRIC CORP · P/N D15-600UPC126
90099 NORTHROP GRUMMAN SYSTEMS CORPORATION · P/N D15-600WPC126
32279 MIAMI-CAREY DIV OF CELOTEX CORP · P/N 247 VP

Government purchase history

Distinct Vendors: 0
Total: $0.00
Total Amount: $0.00

Government pricing & management

Aac: Z
Aac Label: Insurance item, not stocked
Effective Date: 2025-10-01
Moe: DA
Niin: 001886317
Qup: 1
Rep Rec Code: Z
Slc: 0
Sos: SMS
Sos Label: DLA
Ui: EA
Unit Price: $61.78

Demand

Buyer Requests 90d: 0
Buyer Requests All: 0
Open Solicitations: 0

Market on PartsAndPlanes

Active Listings: 1
Avg Price: $0.00
Max Price: $0.00
Min Price: 0
Sellers: 1
Total Quantity: 0

Availability

Band: Limited

Related part numbers

0041230247, 017-39, 09ABXXX0400A1AXXXX01, 09ABXXX0400A1AXXXX02, 09ABXXX0400A1AXXXX03, 100428-001, 10173151, 1037-S, 105526, 107A873P1, 10879PC1330, 11839P11, 1234, 12AF9B80APC86, 12AF9B80DPC86, 1330, 135070N1, 1400093-18, 14413PC1330, 14866PC1330, 15957PC1330, 15AF9B80A1PC86, 15AF9B80DPC86, 16161PC1330, 163-5, 163-7, 1720-10PC100, 17222PC1330, 17930PC1330, 18-308-021, 188, 191247, 191247A, 2-40910-13, 2-40910-15, 2022N1PC374, 20407, 206026, 20FM23B1-8, 21-101096 ITEM

Beaufort, South Carolina

Documents

nat247...33f0361.pdfUploaded 30 September 2026

Part # 247

Traceability:	New from authorized distributor	Manufacturer:	CANYON AEROCONNECT
Alt Part #:	NAT247	UOM:	EA - Each
Services:	NA	Seller:
Quantity:	0	NSN:	NA
CC:	NE - New

Price: Not availableSubscribe to See Full Information

Description:

Model 247 Audio Mixing Amplifier | Non-DC biased referenced loads