| 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) | 01-058-4890 (010584890) |
| NCB Code | USA (01) |
| Manufacturer | Itt Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.3500 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 0.7400 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM |
| APGF | DESIGN TYPE | SOLID |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.2800 INCHES NOMINAL |
| BZDL | COUNTERBORE LENGTH | 0.1350 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 630 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | SEAT |
| Relevant Components for NSN - 5340-01-058-4890, 5340010584890 | ||||
| 5315-01-392-6539 (5315013926539) | 5305-00-370-0922 (5305003700922) | 5330-00-108-1053 (5330001081053) | 5305-00-282-3260 (5305002823260) | |
| 5310-00-825-0783 (5310008250783) | 5365-01-200-6930 (5365012006930) | 5340-01-352-9365 (5340013529365) | 5330-01-231-5219 (5330012315219) | |
| 5331-01-452-9668 (5331014529668) | 5305-00-151-8683 (5305001518683) | 5320-00-323-6041 (5320003236041) | 5330-00-516-3829 (5330005163829) | |
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