AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-298-1107 (002981107) |
| NCB Code | USA (00) |
| Manufacturer | United Technologies Corporation, Lockheed Martin Corporation, Aero Engineering And Manufacturing |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| AN3420-12 | united technologies corporation | screw shoulder | RFQ |
| 1292707-103 | lockheed martin corporation | screw shoulder | RFQ |
| 1292707-101 | aero engineering and manufacturing | screw shoulder | RFQ |
| 1292707-103 | aero engineering and manufacturing | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.450 INCHES MINIMUM AND 0.480 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.850 INCHES MINIMUM AND 2.880 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 1.080 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.523 INCHES MINIMUM FIRST SHOULDER AND 0.624 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 2.210 INCHES NOMINAL FIRST SHOULDER |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.108 INCHES MINIMUM FIRST HOLE AND 0.113 INCHES MAXIMUM FIRST HOLE |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.189 INCHES MINIMUM AND 0.193 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.100 INCHES MINIMUM FIRST HOLE AND 0.130 INCHES MAXIMUM FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | CONCENTRIC HOLE ALONG THE LONGITUDINAL CENTER LINE OF BOLT,0.181 IN. MIN,0.187 IN. MAX DIA BY 1.770 IN. DEEP |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-00-298-1107, 5305002981107 | ||||
| 5305-00-825-1285 (5305008251285) | 5315-01-177-1845 (5315011771845) | 5340-01-536-0624 (5340015360624) | 5330-01-398-3824 (5330013983824) | |
| 5365-00-602-2520 (5365006022520) | 5340-01-658-6711 (5340016586711) | 5306-00-488-7520 (5306004887520) | 5310-00-443-4905 (5310004434905) | |
| 5305-00-579-4230 (5305005794230) | 5306-01-488-3599 (5306014883599) | 5340-01-429-0378 (5340014290378) | 5305-01-208-9074 (5305012089074) | |
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