| BAC1521-334 | SECTION RUBBER EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-341 | SEAL-SPONGE RUBBER SILICONE | Kirkhill Aircraft Parts Co. dba Proponent | | 20 | Consumables / Hardware | PMA |
| BAC1521-365 | EXTRUSION | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-375 | EXTRUDED RUBBER SECTION | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-381 | PAD STRAP | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-392 | SEAL WHEEL WELL DOORS | Kirkhill Aircraft Parts Co. dba Proponent | | 20 | Consumables / Hardware | PMA |
| BAC1521-446 | EXTRUDED RUBBER SECTION | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-455 | SHAPE, EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-474 | EXTRUSION | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-505 | SECTION - RUBBER EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-557 | SECTION - RUBBER | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-598 | RUBBER - EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-607 | SECTION - RUBBER EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-670 | SECTION - RUBBER EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-671 | SECTION - RUBBER EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-672 | SECTION - RUBBER EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-673 | SECTION - RUBBER EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-678 | AERODYNAMIC SEAL | Kirkhill Aircraft Parts Co. dba Proponent | | 20 | Consumables / Hardware | PMA |
| BAC1521-681 | AERODYNAMIC SEAL | Kirkhill Aircraft Parts Co. dba Proponent | | 20 | Consumables / Hardware | PMA |
| BAC1521-682 | SECTION - RUBBER EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-685 | SEAL | Kirkhill Aircraft Parts Co. dba Proponent | | 20 | Consumables / Hardware | PMA |
| BAC1521-689 | SECTION RUBBER - EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-695 | SECTION - RUBBER EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-709 | SECTION - RUBBER, EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | — | 25 | Interior / Furnishings | PMA |
| BAC1521-715 | SEAL - RUBBER, EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 20 | Consumables / Hardware | PMA |
| BAC1521-716 | GROMMET | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-717 | SECTION - RUBBER MOLDING | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-720 | SECTION - RUBBER, EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-723-2 | SEAL | Kirkhill Aircraft Parts Co. dba Proponent | | 20 | Consumables / Hardware | PMA |
| BAC1521-728-1 | BULB SEAL | Kirkhill Aircraft Parts Co. dba Proponent | | 20 | Consumables / Hardware | PMA |
| BAC1521-728-4 | BULB SEAL | Kirkhill Aircraft Parts Co. dba Proponent | | 20 | Consumables / Hardware | PMA |
| BAC1521-739 | SEAL | Kirkhill Aircraft Parts Co. dba Proponent | | 20 | Consumables / Hardware | PMA |
| BAC1521-757-4 | SEAL | Kirkhill Aircraft Parts Co. dba Proponent | | 20 | Consumables / Hardware | PMA |
| BAC1521-762 | MISCELLANEOUS RUBBER | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-763 | SECTION - RUBBER MOLDING | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-777 | SHAPE, EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-780 | SCOOP | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-785 | SECTION, RUBBER - EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-794 | MISCELLANEOUS, RUBBER, EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-827 | MISCELLANEOUS, RUBBER | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-827-870 | MISCELLANEOUS, RUBBER | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-851 | SECTION - RUBBER EXTRUSION | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-860 | MISCELLANEOUS, RUBBER, EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-866 | SECTION - RUBBER EXTRUSION | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-874 | MISCELLANEOUS, RUBBER, EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-920-870 | MISCELLANEOUS, RUBBE | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-932-8925 | MISCELLANEOUS, RUBBE | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1521-964 | MISCELLANEOUS SHAPE, RUBBER, EXTRUDED | Kirkhill Aircraft Parts Co. dba Proponent | | 25 | Interior / Furnishings | PMA |
| BAC1523-13 | SEAL, MOHAIR | Kirkhill Aircraft Parts Co. dba Proponent | | 20 | Consumables / Hardware | PMA |
| BAC1523-17 | SEAL, MOHAIR | Kirkhill Aircraft Parts Co. dba Proponent | | 20 | Consumables / Hardware | PMA |