FAA-PMA

635-1 is an FAA-PMA part held by Champion Aerospace LLC (PMA PQ1287CE) — approved as a replacement for Lycoming Engines 66LC35SDNN on Lycoming Engines AEIO-540-L1D5, IO-540-A1B5, IO-540-AC1A5, IO-540-AF1A5, IO-540-C4D5, IO-540-M1A5, IO-540-M1C5, IO-540-T4B5, IO-540-V4A5, IO-540-W1A5, O-540-A1B5, O-540-A4A5, O-540-A4B5, O-540-A4E5, O-540-F1A5, O-540-H2A5 · Current, Nov 2017.

2 PMA replacement parts on file for 635-1

ES6351Hartzell Engine Technologies LLC· Lycoming Engines -A4A5 | -A4B5 | -A4E5 | -AB1A5 | -AC1A5 | -AF1A5 | -B2C5 | -C4D5 | -D4B5 | -E4C5 | -F1A5 | -G1A5 | -G1D5 | -G2A5 | -H2A5 | -J3A5 | -K1A5 | -K1B5 | -K1E5 | -K1G5 | -K1H5 | -K1K5 | -L1B5 | -L1C5 | -L1D5 | -M1A5 | -M1C5 | -T4B5 | -V4A5 | -W1A5 | AEIO-540-D4B5 | IO-540-A1B5 | O-540-A1B5· Magneto· Current, Dec 2023
ES6351Kelly Aerospace Energy Systems LLC· Lycoming Engines -A4A5 | -A4B5 | -A4E5 | -AB1A5 | -AC1A5 | -AF1A5 | -B2C5 | -C4D5 | -D4B5 | -E4C5 | -F1A5 | -G1A5 | -G1D5 | -G2A5 | -H2A5 | -J3A5 | -K1A5 | -K1B5 | -K1E5 | -K1G5 | -K1H5 | -K1K5 | -L1B5 | -L1C5 | -L1D5 | -M1A5 | -M1C5 | -T4B5 | -V4A5 | -W1A5 | AEIO-540-D4B5 | IO-540-A1B5 | O-540-A1B5· Magneto· Current, May 2021

A PMA part is approved for the specific eligibility listed on its FAA record; whether it may go on a particular aircraft, engine or component is the installer's determination from that record and the eligibility list. A part-number match alone does not establish eligibility. Source: FAA DRS PMA database, refreshed weekly. Data, not advice.

635-1 — TRANSFORMER,RADIO FREQUENCY

635-1 is cataloged as TRANSFORMER,RADIO FREQUENCY. It carries 3 NSN identities and cross-references to 9 related part numbers. FAA PMA approval is on file from Champion Aerospace LLC. An estimated 2 aircraft of the approved type are registered in the US. The part appears on MCRL cross-reference data.

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NSN identities

NSN 003926563 — TRANSFORMER,RADIO FREQUENCY
NSN 005982729 — BUCKLE
NSN 013300242 — WAVEGUIDE ASSEMBLY

Approved sources (CAGE)

80020 NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST · P/N 1127-18
98255 DRS SUSTAINMENT SYSTEMS, INC
13499 ROCKWELL COLLINS, INC. · P/N 278-0142-000
20418 DRS SUSTAINMENT SYSTEMS, INC.
00443 WAVELINE INC
09992 ANTENNA & RADOME RESEARCH ASSOCIATES CORP · P/N AW2055
18212 AMERICAN TRANS-COIL CORP
76786 BUCKLES INTERNATIONAL, INC. · P/N 01055
76786 BUCKLES INTERNATIONAL, INC.
76786 BUCKLES INTERNATIONAL, INC. · P/N 635
80063 US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR · P/N SMD144687
80244 GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE · P/N 5603 LUGGAGE ANDHANDBAG SUPPLIES

Government purchase history

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

Government pricing & management

Aac: J
Aac Label: Not stocked, centrally procured on demand
Effective Date: 2025-10-01
Moe: DA
Niin: 003926563
Qup: 1
Rep Rec Code: A
Slc: 0
Sos: SMS
Sos Label: DLA
Ui: EA
Unit Price: $166.50

Demand

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

Market on PartsAndPlanes

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

Availability

Band: Readily Available

Related part numbers

01055, 1127-18, 278-0142-000, 5603 LUGGAGE ANDHANDBAG SUPPLIES, 635, AW2055, DCSN01GC207, ES8132-05, SMD144687