| 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) | 00-442-8140 (004428140) |
| NCB Code | USA (00) |
| Manufacturer | Parker Hannifin Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.2000 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 0.6760 INCHES NOMINAL |
| ABPS | FIRST STEP LENGTH | 0.0750 INCHES NOMINAL |
| ABPT | SECOND STEP DIAMETER | 0.8150 INCHES MINIMUM AND 0.8250 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 0.4600 INCHES MINIMUM AND 0.4640 INCHES MAXIMUM |
| APGF | DESIGN TYPE | SOLID |
| BBRB | END DIAMETER | 0.5050 INCHES MINIMUM AND 0.5150 INCHES MAXIMUM |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.0730 INCHES MINIMUM AND 0.0770 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 416 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| Components Related to NSN - 5340-00-442-8140, 5340004428140 | ||||
| 5310-01-086-7875 (5310010867875) | 5306-01-626-1829 (5306016261829) | 5365-01-633-9077 (5365016339077) | 5355-00-870-0653 (5355008700653) | |
| 5330-00-143-3535 (5330001433535) | 5330-00-631-8220 (5330006318220) | 5305-01-696-3523 (5305016963523) | 5305-01-275-0515 (5305012750515) | |
| 5331-01-398-8586 (5331013988586) | 5325-01-608-8422 (5325016088422) | 5306-01-646-1547 (5306016461547) | 5360-01-651-5511 (5360016515511) | |
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