AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Tapping |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-078-5072 (010785072) |
| NCB Code | USA (01) |
| Manufacturer | Federal Specifications, C Systems Llc, Military Standards Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASB | FASTENER LENGTH | 0.950 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON EXTENDED WASHER |
| AASU | HEAD HEIGHT | 0.307 INCHES MINIMUM AND 0.358 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.037 INCHES MINIMUM AND 0.063 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| CRGF | NONMACHINE THREAD STYLE | BLUNT (TYPE TT) |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.375 INCHES |
| MATT | MATERIAL | STEEL COMP 4037 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL OR MIL-C-81562 TY 2 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | B TYPE |
| Relevant Components for NSN - 5305-01-078-5072, 5305010785072 | ||||
| 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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