AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Seat Helical Compression Spring |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5340 Hardware Commercial |
| National Item Identification Number (NIIN) | 00-189-8524 (001898524) |
| NCB Code | USA (00) |
| Manufacturer | Droitcour Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.1820 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM |
| ABPR | FIRST STEP DIAMETER | 0.6840 INCHES MINIMUM AND 0.6860 INCHES MAXIMUM |
| APGF | DESIGN TYPE | SOLID |
| BBRB | END DIAMETER | 0.3450 INCHES MINIMUM AND 0.3510 INCHES MAXIMUM |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.1250 INCHES MINIMUM AND 0.1290 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | MATL-STEEL AMS 5610,TY 416;NOT CASEHARDENED |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| Relevant Components for NSN - 5340-00-189-8524, 5340001898524 | ||||
| 5355-00-582-7370 (5355005827370) | 5340-01-492-4288 (5340014924288) | 5340-00-523-3711 (5340005233711) | 5330-01-275-9444 (5330012759444) | |
| 5340-01-238-2053 (5340012382053) | 5365-01-693-2245 (5365016932245) | 5331-01-258-8240 (5331012588240) | 5365-01-672-1629 (5365016721629) | |
| 5365-01-432-4280 (5365014324280) | 5365-01-654-1906 (5365016541906) | 5340-01-451-0804 (5340014510804) | 5340-01-489-6012 (5340014896012) | |
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