3M 27468, EMI Copper Foil Shielding Tape 1181, 1 in x 18 yd (25,40 mm x 16,5 m), 7000132169 
Dynabrade 98271 1/2" NPT Male Plug 
Insize 4124-20, PLAIN PLUG GAGE, H7, _20mm, 6928640316920
$47.92
Supplied with Go and No-Go gages together.
Class H7. Hardness HRC 60?2.
Standard IDIN7150-2
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