| Item Name | Stud Turnlock Fastener |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 01-257-4411 (012574411) |
| NCB Code | USA (01) |
| Manufacturer | Southco Honeoye Falls Aerospace, Bell Helicopter Textron Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATQ | GRIP LENGTH | 0.350 INCHES NOMINAL |
| ABMZ | DIAMETER | 0.557 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| ADQB | SECURING DEVICE TYPE | GROMMET |
| AGQY | TURNLOCK STUD SHANK STYLE | STUD SHANK |
| AGRD | TURNLOCK STUD HEAD STYLE | FLAT COUNTERSUNK |
| AGSM | MATERIAL ACCOMMODATED THICKNESS | 0.041 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| AKCV | DRIVE TYPE | SLOTTED |
| CQYN | SHANK NECK LENGTH | 0.170 INCHES NOMINAL |
| CSGB | STUD SHANK MAJOR DIAMETER | 0.306 INCHES MINIMUM AND 0.311 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5325-01-257-4411, 5325012574411 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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