6-98 Keysight N5221A/22A Service GuideReplaceable PartsReplaceable Parts Listings6-Bottom Hardware and Miscellaneous PartsReferenceDesignatorPart Number Qty Description0515-0372 66 Machine screw, M3.0 x 8, pan head (4 to attach A19 test set motherboard to testset deck, 6 to attach A19 test set motherboard to stabilizer bracket, 4 to attachstabilizer bracket to A20 IF mux board, 17 to attach test set deck to chassis, 4 toattach A23–A24 mixer bricks to bottom of mixer brick mounting block, 4 to attachA21 HMA26.5 to its mounting bracket, 8 to attach A34–A37 source attenuators totheir brackets, 8 to attach A42–A45 receiver attenuators to their brackets, 4 toattach A33 reference mixer switch to its bracket, 3 to attach reference mixerswitch bracket to test set deck, and 4 to attach test set front sub panel to test setdeck front.)0515-2994 10 Machine screw M3.0 x 14 (2 to attach splitter to top of mixer brick mounting blockand 8 to attach A38–A41 bias tees to their brackets.)0515-1410 16 Machine screw M3.0 x 20 pan head (6 to attach mixer bricks to sides of mixer brickmounting block, 8 to attach A25–A28 receiver couplers to their mountingbrackets.)0515-0374 4 Machine screw M3.0 x 10 pan head (To attach mixer brick mounting block.)N5242-20103 1 Mounting block (For A23 and A24 mixer bricks.)N5242-00007 1 Bracket (For A34–A37 source attenuators, A39–A41 bias tees, and A42–A45receiver attenuators.)0515-0430 30 Machine screw M3.0 x 6 pan head (8 to attach receiver coupler brackets to test setdeck, 12 to attach attenuator brackets to test set deck, 8 to attach switch bracketsto test set deck, and 2 to attach HMA26.5 bracket to test set deck.)N5242-00006 4 Bracket (For A25–A28 receiver couplers.)N5242-00011 1 Bracket (For A33 reference mixer switch.)0515-1227 4 Machine screw, M3.0 x 6, flat head (To attach test set front sub panel)0460-2725 2 Vibration mount (4-port only; between couplers 1 and 3, and 2 and 4)5022-1087 4 Test port coupler dress nut (One for each coupler.)E4403-20033 4 Gap pad; 4-port (Between each coupler and test set front sub panel.)0403-0285 2 Coupler bumper; 2-port (Between each coupler and test set front sub panel.)0960-0055 2 Termination, male SMA short circuit0515-1521 4 Machine screw, M3.0 x 5, flat head (To attach front panel LED boards.)N5221-00005 1 Test set deck12345678910111213141516
