| 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) | 00-345-3393 (003453393) |
| NCB Code | USA (00) |
| Manufacturer | Dresser Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.4590 INCHES MINIMUM AND 0.4790 INCHES MAXIMUM |
| ABPR | FIRST STEP DIAMETER | 1.7090 INCHES MINIMUM AND 1.7290 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 0.5910 INCHES MINIMUM AND 0.5950 INCHES MAXIMUM |
| AHRR | RIDGE HEIGHT | 0.0840 INCHES MINIMUM AND 0.1040 INCHES MAXIMUM |
| APGF | DESIGN TYPE | SOLID |
| BYYF | BORE TAPER IN DEG | 7.0 |
| BZLQ | DISTANCE FROM CENTER TO BEGINNING OF RIDGE | 0.7560 INCHES MINIMUM AND 0.7760 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | NOT CASEHARDENED |
| MATT | MATERIAL | STEEL |
| Relevant Components for NSN - 5340-00-345-3393, 5340003453393 | ||||
| 5305-01-339-0166 (5305013390166) | 5365-01-662-5153 (5365016625153) | 5360-01-351-8647 (5360013518647) | 5305-00-452-2092 (5305004522092) | |
| 5320-01-350-0370 (5320013500370) | 5365-01-048-9619 (5365010489619) | 5330-01-329-6615 (5330013296615) | 5331-00-493-8173 (5331004938173) | |
| 5330-00-146-3153 (5330001463153) | 5305-00-052-8884 (5305000528884) | 5330-01-651-5544 (5330016515544) | 5310-00-444-5136 (5310004445136) | |
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