Section II.   MANDATORY REPLACEMENT PARTS (Cont’d) (1) (2) (3) (4) ITEM PART NATIONAL/NATO NO NOMENCLATURE NUMBER STOCK NUMBER TM 9-2320-387-24-2 G-14 Change 1 421 Seal, Kit, Washer 5740010 5310-01-148-2687 422 Seal, Washer 8626281 5310-01-150-5921 423 Seal, Washer 5939517 5331-01-084-1200 423.1 Seal, Washer 33-00811 5310-01-420-4522 423.2 Seal, Washer 33-00822 5310-01-419-5091 424 Seal 23502587 5330-01-378-8572 424.1 Seal N9539 425 Seal 29940-2094 5330-01-203-6551 426 Seal 5741141 5330-01-211-1343 427 Seal 12340585 5310-01-203-9187 428 Seal 12342886 5330-01-381-1810 429 Seal 12340088 5330-01-202-8360 430 Seal 7700242 5330-00-770-0242 431 Seal 12342343 5330-01-318-1998 432 Seal 12342344 5330-01-318-9780 433 Seal 12342345 5330-01-317-5393 434 Seal 12342248 5330-01-317-5392 435 Seal MT161A 5330-01-282-2213 436 Seal, Washer 4210973 5310-01-260-4847 437 Seal 6002591 2520-01-175-7220 438 Seal, Turret 12446768 5330-01-448-9453 439 Service Brake Caliper Kit 11021 2530-01-179-7511 439.1 Sheet Metal QQA250-11 9535-00-541-7194 440 Side Cover Seal Service Kit 5740448 2530-01-097-7659 441 Slip Ring End Kit 90-2532 2920-01-168-4130 442 Sound Dampener 5591150 2540-01-192-9716 443 Sound Dampener 5591149 2540-01-192-5948 444 Spacer Plate, 0.125-in. (3.2-mm) 5584299 5365-01-197-9383 445 Spacer Plate, 0.060-in. (1.5-mm) 12339379 5365-01-253-8980 446 Spacer Plate, Hinge 5584436 5365-01-201-4749 447 Spacer, Collapsible 5579445 5365-01-175-3593 448 Spacer, Detent 15686 5365-01-306-9955 449 Spring, Helical 28397 5360-01-318-1893 450 Spring Pin MS16562-256 5315-00-844-3665 451 Spring Pin NAS561C4-18 5315-00-559-7467 452 Spring Washer 7716721 5310-00-595-7486 453 Spring Washer 4004616 5310-01-189-8485 454 Spring 2-300.P5 5360-01-282-9316