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) | 00-993-7286 (009937286) |
| NCB Code | USA (00) |
| Manufacturer | Eaton Aerospace Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 1.1770 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 0.3530 INCHES NOMINAL |
| ABPS | FIRST STEP LENGTH | 0.0800 INCHES NOMINAL |
| ABPT | SECOND STEP DIAMETER | 0.6070 INCHES NOMINAL |
| ABPU | SECOND STEP LENGTH | 0.1250 INCHES NOMINAL |
| ABPV | THIRD STEP DIAMETER | 0.8900 INCHES NOMINAL |
| APGF | DESIGN TYPE | SOLID |
| BBRB | END DIAMETER | 0.2810 INCHES NOMINAL |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.8450 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | W/O BORE; CHAMFER ON END 0.031 IN. X 45.0 DEG; CHAMFER ON THIRD STEP 0.062 X 30.0 DEG,COUNTER SINK IN CENTER 0.125 IN,DEEP X 118.0 DEG |
| MATT | MATERIAL | STEEL |
| STYL | STYLE DESIGNATOR | SEAT |
| Relevant Components for NSN - 5340-00-993-7286, 5340009937286 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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