| 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) | 00-050-7571 (000507571) |
| NCB Code | USA (00) |
| Manufacturer | Essex Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATA | COUNTERSINK ANGLE IN DEG | 45.0 |
| ABKW | OVERALL HEIGHT | 0.1600 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM |
| ABPR | FIRST STEP DIAMETER | 0.4300 INCHES MINIMUM AND 0.4360 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 0.2480 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM |
| APGF | DESIGN TYPE | SOLID |
| AYRZ | COUNTERSINK DIAMETER | 0.3730 INCHES NOMINAL |
| BBRB | END DIAMETER | 0.3000 INCHES MINIMUM AND 0.3200 INCHES MAXIMUM |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.1210 INCHES NOMINAL |
| MATT | MATERIAL | ALUMINUM ALLOY |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | SEAT |
| Relevant Components for NSN - 5340-00-050-7571, 5340000507571 | ||||
| 5330-01-539-5629 (5330015395629) | 5305-01-517-2434 (5305015172434) | 5305-00-057-3980 (5305000573980) | 5325-01-082-8190 (5325010828190) | |
| 5305-99-254-4806 (5305992544806) | 5315-01-592-1130 (5315015921130) | 5330-00-561-7707 (5330005617707) | 5330-01-313-3034 (5330013133034) | |
| 5307-01-185-8617 (5307011858617) | 5330-01-648-9167 (5330016489167) | 5365-00-210-1895 (5365002101895) | 5315-01-061-2903 (5315010612903) | |
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