| 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) | 00-453-8211 (004538211) |
| NCB Code | USA (00) |
| Manufacturer | Parker Hannifin Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWY | COUNTERBORE DIAMETER | 0.8210 INCHES MINIMUM AND 0.8250 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.3500 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 1.2300 INCHES MINIMUM AND 1.2400 INCHES MAXIMUM |
| ABPS | FIRST STEP LENGTH | 0.2520 INCHES MINIMUM AND 0.4520 INCHES MAXIMUM |
| ABPT | SECOND STEP DIAMETER | 1.4950 INCHES MINIMUM AND 1.5050 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 0.7430 INCHES MINIMUM AND 0.7470 INCHES MAXIMUM |
| APGF | DESIGN TYPE | SOLID |
| BBRB | END DIAMETER | 0.8210 INCHES MINIMUM AND 0.8250 INCHES MAXIMUM |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.1270 INCHES MINIMUM AND 0.5770 INCHES MAXIMUM |
| BZDL | COUNTERBORE LENGTH | 0.0500 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 416 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | SEAT |
| Components Related to NSN - 5340-00-453-8211, 5340004538211 | ||||
| 5330-01-334-7310 (5330013347310) | 5365-00-969-6150 (5365009696150) | 5310-01-669-3902 (5310016693902) | 5340-01-413-2057 (5340014132057) | |
| 5325-00-364-9598 (5325003649598) | 5360-00-567-5070 (5360005675070) | 5340-01-491-4788 (5340014914788) | 5340-01-026-3025 (5340010263025) | |
| 5365-01-155-7183 (5365011557183) | 5355-00-492-8457 (5355004928457) | 5365-00-145-1236 (5365001451236) | 5307-00-245-8721 (5307002458721) | |
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