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) | 00-777-7189 (007777189) |
| NCB Code | USA (00) |
| Manufacturer | Lindsay P K Co Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.3120 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.4480 INCHES NOMINAL |
| BBRB | END DIAMETER | 0.5400 INCHES MINIMUM AND 0.5500 INCHES MAXIMUM |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.2180 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 0.6870 INCHES NOMINAL |
| APGF | DESIGN TYPE | SOLID |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| MATT | MATERIAL | STEEL |
| STYL | STYLE DESIGNATOR | SEAT |
| ZZZV | FSC APPLICATION DATA | COMPRESSOR VALVE SPRING SEAT |
| Relevant Components for NSN - 5340-00-777-7189, 5340007777189 | ||||
| 5365-01-101-3819 (5365011013819) | 5305-01-006-9246 (5305010069246) | 5310-00-639-2818 (5310006392818) | 5310-01-332-9051 (5310013329051) | |
| 5330-01-399-2381 (5330013992381) | 5340-01-496-5144 (5340014965144) | 5342-00-326-6390 (5342003266390) | 5305-01-361-1154 (5305013611154) | |
| 5305-01-516-4729 (5305015164729) | 5330-15-007-8953 (5330150078953) | 5340-01-078-1350 (5340010781350) | 5310-01-471-5429 (5310014715429) | |
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