| 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) | 00-737-5225 (007375225) |
| NCB Code | USA (00) |
| Manufacturer | John Reiner And Co Inc, Teledyne Continental Motors Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATA | COUNTERSINK ANGLE IN DEG | 45.0 |
| ABXV | BORE DIAMETER | 0.6520 INCHES NOMINAL |
| AMFZ | SECOND END DIAMETER | 0.9060 INCHES NOMINAL |
| BBRB | END DIAMETER | 1.0000 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.6560 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 1.3900 INCHES MINIMUM AND 1.4000 INCHES MAXIMUM |
| ABPS | FIRST STEP LENGTH | 0.3080 INCHES MINIMUM AND 0.3180 INCHES MAXIMUM |
| ABPT | SECOND STEP DIAMETER | 1.6880 INCHES NOMINAL |
| ABPU | SECOND STEP LENGTH | 0.1150 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM |
| ALME | MATERIAL HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM |
| APGF | DESIGN TYPE | SOLID |
| AYRZ | COUNTERSINK DIAMETER | 0.6570 INCHES NOMINAL |
| BYYF | BORE TAPER IN DEG | 14.250 |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.0780 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| MATT | MATERIAL | STEEL,SAE 8640 |
| STYL | STYLE DESIGNATOR | SEAT |
| ZZZV | FSC APPLICATION DATA | ENGINE,GASOLINE,NON-AIRCRAFT |
| Relevant Components for NSN - 5340-00-737-5225, 5340007375225 | ||||
| 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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