| Item Name | Stud Assembly Turnlock Fastener |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 00-639-4899 (006394899) |
| NCB Code | USA (00) |
| Manufacturer | Alcoa Fastening Systems Ltd, Triumph Aerostructures Llc, Arconic Global Fasteners And Rings |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMZ | DIAMETER | 0.380 INCHES NOMINAL |
| AGRD | TURNLOCK STUD HEAD STYLE | FLAT COUNTERSUNK |
| AGRE | STUD ASSEMBLY STYLE | STUD ASSEMBLY |
| AGRF | DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD | 0.453 INCHES MINIMUM AND 0.463 INCHES MAXIMUM |
| AGRH | EYELET OUTSIDE DIAMETER | 0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM |
| AGRK | EYELET LENGTH | 0.220 INCHES NOMINAL |
| AGSM | MATERIAL ACCOMMODATED THICKNESS | 0.081 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| AKCV | DRIVE TYPE | SLOTTED |
| MATT | MATERIAL | STEEL EJECTOR SPRING |
| MATT | MATERIAL | STEEL EYELET |
| MATT | MATERIAL | STEEL PIN |
| MATT | MATERIAL | STEEL STUD |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5325-00-639-4899, 5325006394899 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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