AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Assembled Washer |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-018-7993 (000187993) |
| NCB Code | USA (00) |
| Manufacturer | General Motors Corp, Astral Air Parts Inc, Asap Semiconductor Llc, Diamond Reo Trucks Inc, Navistar Intl Corp, Eca Etablissement Central Des, Parttarget Inc, Aerobase Group Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 187993 | general motors corp | screw assembled washer | RFQ |
| 187993 | astral air parts inc | screw assembled washer | RFQ |
| 187993 | asap semiconductor llc | screw assembled washer | RFQ |
| 187993 | diamond reo trucks inc | screw assembled washer | RFQ |
| 187993 | navistar intl corp | screw assembled washer | RFQ |
| 5305000187993 | eca etablissement central des | screw assembled washer | RFQ |
| 187993 | parttarget inc | screw assembled washer | RFQ |
| 187993 | aerobase group inc | screw assembled washer | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.608 INCHES MINIMUM AND 0.719 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.491 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AAVW | WASHER QUANTITY | 1 |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CSPG | PRIMARY WASHER OUTSIDE DIAMETER | 0.567 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
| CTHW | PRIMARY WASHER STYLE | FLAT EXTERNAL TEETH |
| CTJJ | PRIMARY WASHER MATERIAL THICKNESS | 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1010 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1050 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-00-018-7993, 5305000187993 | ||||
| 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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