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 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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