AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Insert Screw Thread |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 00-171-2220 (001712220) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation, Litton Systems Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKU | FLANGE THICKNESS | 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| ABRY | LENGTH | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.562 INCHES NOMINAL |
| BZGJ | INSERT SIZE | 9/16-18 UNF 2A |
| FEAT | SPECIAL FEATURES | FACE OF FLANGE COUNTERSUNK 90 DEG BY 0.490 IN. DIA,INSERT END COUNTERBORED 0.431 IN. MIN 0.435 IN. MAX DIA TO DEPTH OF 0.120 IN. |
| MATT | MATERIAL | STEEL COMP 630 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | FLANGE |
| Relevant Components for NSN - 5325-00-171-2220, 5325001712220 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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