| Item Name | Stud Turnlock Fastener |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 01-173-3772 (011733772) |
| NCB Code | USA (01) |
| Manufacturer | Northrop Grumman Systems Corporation, Southco Honeoye Falls Aerospace |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| GS520B7-27W | northrop grumman systems corporation | stud turnlock fastener | RFQ |
| A3 5T26 | southco honeoye falls aerospace | stud turnlock fastener | RFQ |
| 2351-20-27-C3C | southco honeoye falls aerospace | stud turnlock fastener | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATQ | GRIP LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| ABQW | HEAD LENGTH | 0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| ADQB | SECURING DEVICE TYPE | RING |
| AGQY | TURNLOCK STUD SHANK STYLE | STUD SHANK |
| AGRD | TURNLOCK STUD HEAD STYLE | FILLISTER WING |
| AGSM | MATERIAL ACCOMMODATED THICKNESS | 0.241 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| CQYN | SHANK NECK LENGTH | 0.360 INCHES MINIMUM |
| CQYY | STUD HEAD HEIGHT | 0.312 INCHES NOMINAL |
| CSGB | STUD SHANK MAJOR DIAMETER | 0.212 INCHES MINIMUM AND 0.217 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE 2317 ASSN STD SINGLE MATERIAL RESPONSE 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 - 5325-01-173-3772, 5325011733772 | ||||
| 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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