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) | 01-024-4559 (010244559) |
| NCB Code | USA (01) |
| Manufacturer | Stanadyne Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATE | CHAMFER ANGLE IN DEG | 20.0 |
| ABKW | OVERALL HEIGHT | 0.1370 INCHES MINIMUM AND 0.1430 INCHES MAXIMUM |
| ABPR | FIRST STEP DIAMETER | 0.2630 INCHES MINIMUM AND 0.2680 INCHES MAXIMUM |
| ALME | MATERIAL HARDNESS RATING | 60.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM |
| APGF | DESIGN TYPE | SOLID |
| BBRB | END DIAMETER | 0.1340 INCHES MINIMUM AND 0.1370 INCHES MAXIMUM |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.0940 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM |
| BZMH | SPHERICAL SEAT TOP RADIUS | 0.0100 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMPOSITION 52100 |
| Relevant Components for NSN - 5340-01-024-4559, 5340010244559 | ||||
| 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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