| Ref. # | Description | National Nail Item # |
| 101 | DEFLECTOR | 0138500 |
| 102 | BOLT ASSY | 0138501 |
| 103 | CAP | 0138502 |
| 104 | O - RING | 0138503 |
| 105 | SEAL | 0138504 |
| 106 | COMPRESSION SPRING | 0138505 |
| 107 | POPPET VALVE | 0138506 |
| 108 | O - RING | 0138507 |
| 109 | O - RING | 0138508 |
| 110* | GASKET | 0138509 |
| 111* | O - RING | 0138510 |
| 112 | DRIVER UNIT | 0138511 |
| 113 | O - RING | 0138512 |
| 114 | CYLINDER - ALUMINUM | 0138639 |
| 115 | CYLINDER RING | 0138514 |
| 116* | BUMPER | 0138515 |
| 117* | BLADE SEAL | 0138516 |
| 118 | BELT HOOK | 0138517 |
| 119 | COLLAR | 0138640 |
| 120 | O-RING | 0138641 |
| 201 | SEAL | 0138518 |
| 202 | TRIGGER VALVE HEAD | 0138519 |
| 203 | SPRING | 0138520 |
| 204 | PLUNGER | 0138521 |
| 205 | O - RING | 0138522 |
| 205A | O - RING | 0138523 |
| 206 | O - RING | 0138524 |
| 207 | TRIGGER VALVE GUIDE | 0138525 |
| 208* | RETAINER | 0138526 |
| 209 | SPRING PIN | 0138527 |
| 210* | TRIGGER PIVOT PIN | 0138528 |
| 211 | SPRING | 0138529 |
| 212 | TRIGGER UNIT | 0138530 |
| 301 | GUN BODY UNIT | 0138531 |
| 302 | O - RING | 0138532 |
| 303 | END CAP | 0138533 |
| 304 | DUSTY COVER | 0138534 |
| 305 | AIR PLUG | 0138535 |
| 401 | BOLT ASSY | 0138536 |
| 402 | DRIVER GUIDE COVER B | 0138537 |
| 403 | DRIVER GUIDE | 0138538 |
| 404 | LOCK HANDLE UNIT | 0138539 |
| 405 | LATCH COVER | 0138540 |
| 406 | DRIVER GUIDE COVER A | 0138541 |
| 407 | SPIRAL PINS | 0138542 |
| 408 | FIXED PIN | 0138543 |
| 409 | HEX.SOC.HD.BOLT | 0138544 |
| 410 | MAGAZINE | 0138545 |
| 411* | SPRING | 0138546 |
| 412* | SPRING RETAINER | 0138547 |
| 413 | ROD | 0138548 |
| 414* | SPRING A | 0138549 |
| 415 | C - RING | 0138550 |
| 416 | MAGAZINE COVER | 0138551 |
| 417 | HEX.SOC.HD.BOLT | 0138552 |
| 418 | ANCHOR BLOCK | 0138553 |
| 419* | BRACKET A | 0138554 |
| 420 | BOLT ASSY | 0138555 |
| 421 | BOLT W/FLAT WASHER | 0138556 |
| 422 | HEX.SOC.HD.BOLT | 0138557 |
| 423 | E - RING | 0138558 |
| 424 | SNAP RING | 0138559 |
| 425 | DOOR LATCH COVER | 0138560 |
| 426 | LATCH SPRING | 0138561 |
| 427 | DOOR LATCH | 0138562 |
| 428 | FOLLOWER | 0138563 |
| 429 | PUSHER CUSHION | 0138564 |
| 430 | BRACKET B | 0138565 |
| 431* | TRACK | 0138566 |
| 432 | HEX.SOC.HD.BOLT | 0138567 |
| 433* | HALF ROUND HD.HEX.BOLT | 0138568 |
| 434* | HOLD DOWN SPRING | 0138569 |
| 435* | CAP FEEDER | 0138570 |
| 436 | PIN FEED PISTON | 0138571 |
| 437 | O - RING | 0138572 |
| 438 | SPRING | 0138573 |
| 439 | FEEDING HOUSING | 0138574 |
| 440 | INLET TUBING | 0138575 |
| 441 | BARB FITTING | 0138576 |
| 442 | O - RING | 0138577 |
| 443 | FEED PISTON | 0138578 |
| 444 | O - RING | 0138579 |
| 445* | SPRING FEED | 0138580 |
| 446 | FEED BUMPER | 0138581 |
| 447 | FEED PISTON CAP | 0138582 |
| 448 | RETAINING RING | 0138583 |
| 449 | MAG. COVER LEFT | 0138584 |
| 450 | PHILLIPS SCREW | 0138585 |
| 451 | LOCK NUT | 0138586 |
| 452 | MAG. COVER RIGHT | 0138587 |
| 453 | DOOR | 0138588 |
| 454 | CAP DOOR PIN | 0138589 |
| 455* | SAFETY A UNIT | 0138590 |
| 456* | ADJUST AXIE | 0138591 |
| 457* | SAFETY B | 0138592 |
| 458* | RING | 0138593 |
| 459* | SPRING | 0138594 |
| 460* | SAFETY GUIDE | 0138595 |
| 461 | LOCK NUT | 0138596 |
| 462 | HEX.SOC.HD.BOLT | 0138597 |
| 463 | HEX.SOC.HD.BOLT | 0138643 |
| Safety Assembly Kit (parts 455, 456, 458) | 0138990 | |
| O-Ring Kit (contains parts in bold) | 0138642 |