| Item Name | Insert Screw Thread |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 01-544-5579 (015445579) |
| NCB Code | USA (01) |
| Manufacturer | Alcoa Global Fasteners Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJE | THREAD PITCH DIAMETERS | +0.2769/+0.2789 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABRY | LENGTH | 0.440 INCHES NOMINAL |
| BZGJ | INSERT SIZE | 5/16 - 18 UNC |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQJX | NOMINAL THREAD SIZE | 0.190 INCHES |
| FEAT | SPECIAL FEATURES | MIL-S-8879 INTERNAL THREAD |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758, COND F MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY II, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | SERRATED |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5325-01-544-5579, 5325015445579 | ||||
| 5315-01-392-6539 (5315013926539) | 5305-00-370-0922 (5305003700922) | 5330-00-108-1053 (5330001081053) | 5305-00-282-3260 (5305002823260) | |
| 5310-00-825-0783 (5310008250783) | 5365-01-200-6930 (5365012006930) | 5340-01-352-9365 (5340013529365) | 5330-01-231-5219 (5330012315219) | |
| 5331-01-452-9668 (5331014529668) | 5305-00-151-8683 (5305001518683) | 5320-00-323-6041 (5320003236041) | 5330-00-516-3829 (5330005163829) | |
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