| Item Name | Stud Turnlock Fastener |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 01-146-4811 (011464811) |
| NCB Code | USA (01) |
| Manufacturer | Southco Honeoye Falls Aerospace, Northrop Grumman Systems Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATQ | GRIP LENGTH | 0.900 INCHES MINIMUM AND 0.940 INCHES MAXIMUM |
| ABMZ | DIAMETER | 0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM |
| AGQY | TURNLOCK STUD SHANK STYLE | STUD SHANK |
| AGRD | TURNLOCK STUD HEAD STYLE | FLAT FILLISTER |
| ALBJ | STUD THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.250-20 UNC |
| CQYY | STUD HEAD HEIGHT | 0.500 INCHES MINIMUM AND 0.540 INCHES MAXIMUM |
| CSGB | STUD SHANK MAJOR DIAMETER | 0.250 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | THREAD TREATED WITH A LOCKING COMPOUND TO PREVENT STUD FROM TURNING WHILE ENGAGING OR RELEASING RECEPTACLE |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5325-01-146-4811, 5325011464811 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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