| Item Name | Seat Helical Compre |
| INC Code | 24328 |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5340 Hardware Commercial |
| National Item Identification Number (NIIN) | 00-914-8395 (009148395) |
| NCB Code | USA (00) |
| Manufacturer | Napco Industries Inc, Napco International Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.4370 INCHES NOMINAL |
| ABPR | FIRST STEP DIAMETER | 1.3610 INCHES MINIMUM AND 1.3710 INCHES MAXIMUM |
| ABPS | FIRST STEP LENGTH | 0.1090 INCHES NOMINAL |
| ABPT | SECOND STEP DIAMETER | 1.7180 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.6540 INCHES NOMINAL |
| AJFY | SEAT ANGLE IN DEG | 30.0 |
| ALME | MATERIAL HARDNESS RATING | 50.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM |
| AMFZ | SECOND END DIAMETER | 1.2500 INCHES NOMINAL |
| APGF | DESIGN TYPE | SOLID |
| BBRB | END DIAMETER | 0.8120 INCHES NOMINAL |
| BYYF | BORE TAPER IN DEG | 14.3 |
| BZDH | DISTANCE FROM END TO FIRST STEP | 0.1410 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | MAGNETIC PERMEABILITY SHALL BE LESS THAN 1.2 BEFORE FABRICATION AND NOT GREATER THAN 2.0 AFTER FABRICATION AS MEASURED IN A 200 OERSTED FIELD |
| MATT | MATERIAL | STEEL COMP 4140 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE |
| STYL | STYLE DESIGNATOR | SEAT |
| Relevant Components for NSN - 5340-00-914-8395, 5340009148395 | ||||
| 5340-01-530-3084 (5340015303084) | 5340-01-490-4734 (5340014904734) | 5340-01-573-9262 (5340015739262) | 5340-00-186-2901 (5340001862901) | |
| 5340-00-939-2333 (5340009392333) | 5340-01-190-5859 (5340011905859) | 5340-01-510-7955 (5340015107955) | 5340-00-179-9249 (5340001799249) | |
| 5340-01-603-6032 (5340016036032) | 5340-00-942-3113 (5340009423113) | 5340-01-339-5636 (5340013395636) | 5340-01-344-8697 (5340013448697) | |
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AS9120B and ISO 9001:2015 |
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Aviation Suppliers Association Member |
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FAA AC 0056B Accredited |
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AS 6081:2012 Certification |
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ESD S20.20-2014 Certification |
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