AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Stud Turnlock Fastener |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 00-767-5997 (007675997) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation, The Boeing Company, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| GS520BF5HS | northrop grumman systems corporation | stud turnlock fastener | RFQ |
| STBF34K4C5 | the boeing company | stud turnlock fastener | RFQ |
| CA18090-5HS | alcoa global fasteners inc | stud turnlock fastener | RFQ |
| 158634-0002 | northrop grumman systems corporation | stud turnlock fastener | RFQ |
| CA18121-5HS | alcoa global fasteners inc | stud turnlock fastener | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AGRD | TURNLOCK STUD HEAD STYLE | FLAT COUNTERSUNK |
| AGSM | MATERIAL ACCOMMODATED THICKNESS | 0.431 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AKCV | DRIVE TYPE | SOCKET |
| MATT | MATERIAL | STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| SFTT | SURFACE TREATMENT | CHROMATE OVERALL |
| AATQ | GRIP LENGTH | 0.500 INCHES MAXIMUM |
| ABMZ | DIAMETER | 0.360 INCHES MINIMUM |
| ADQB | SECURING DEVICE TYPE | RING |
| AGQY | TURNLOCK STUD SHANK STYLE | STUD SHANK |
| AGRC | EXTENSION LENGTH | 0.210 INCHES NOMINAL |
| ALBJ | STUD THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.164-32 UNC |
| CSGB | STUD SHANK MAJOR DIAMETER | 0.2470 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5325-00-767-5997, 5325007675997 | ||||
| 5305-01-642-0405 (5305016420405) | 5340-01-469-1045 (5340014691045) | 5315-01-562-5736 (5315015625736) | 5315-01-575-7397 (5315015757397) | |
| 5310-00-347-0214 (5310003470214) | 5320-01-073-2961 (5320010732961) | 5342-01-117-9590 (5342011179590) | 5355-00-201-5369 (5355002015369) | |
| 5305-01-321-3806 (5305013213806) | 5330-00-256-6918 (5330002566918) | 5365-01-625-0045 (5365016250045) | 5310-01-593-4780 (5310015934780) | |
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