コリンズ メカニカルフイルター Collins MF  F455 J 31
友人の委託品、コリンズ補修用品箱の整理です、 75A4のフィルタ―、特性検査表付き、購入後使用せず保管していたようです。
パーツ番号 522 9089 002

Collins 455 kHz Mechanical Filter

COLLINS MECHANICAL FILTER 455 KHz CF, 100 Hz BW Symmetrical (CW) NOS $99.00 - PicClick

Pair of Collins Radio Mechanical Filter F455 YA 120, 526-9489-001 | eBay

Collins Mechanical Filter Type F455 K 350 - Max-Gain Systems

Collins 455 kHz Mechanical Filter

Yahoo!オークション -「f455」(アマチュア無線) の落札相場・落札価格

Rockwell/Collins Mechanical Filters

Collins Mechanical Filter Type F455 K 350

Collins Original 75A-4, F-455-J-31 SSB Filter 3.1 KC P/N 526-9089-00 Tested & Guaranteed

collins mechanical filter products for sale | eBay

Collins Mechanical Filters F455 & F250

collins filter products for sale | eBay

Pair of Collins Radio Mechanical Filter F455 YA 120, 526-9489-001 – Mothercare Preparatory Schools

Pair of Collins Radio Mechanical Filter F455 YA 120, 526-9489-001 – Mothercare Preparatory Schools