| Item Name | Bolt Ribbed Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-741-1180 (007411180) |
| NCB Code | USA (00) |
| Manufacturer | Navistar Intl Corp, Eca Etablissement Central Des, Military Standards Corp, Meritor Heavy Vehicle Braking System |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 104555R1 | navistar intl corp | bolt ribbed shoulder | RFQ |
| 5306007411180 | eca etablissement central des | bolt ribbed shoulder | RFQ |
| MS51946-8 | military standards corp | bolt ribbed shoulder | RFQ |
| 20X408 | meritor heavy vehicle braking system | bolt ribbed shoulder | RFQ |
| 20X408Z | meritor heavy vehicle braking system | bolt ribbed shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASA | THREAD LENGTH | 1.188 INCHES MINIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 1.938 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.312 INCHES NOMINAL |
| AATX | SHOULDER LENGTH | 2.688 INCHES NOMINAL FIRST SHOULDER |
| AAVP | RIB MAJOR DIAMETER | 1.019 INCHES MINIMUM AND 1.023 INCHES MAXIMUM |
| CWYB | SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 4.188 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.973 INCHES MINIMUM FIRST SHOULDER AND 0.977 INCHES MAXIMUM FIRST SHOULDER |
| AAVQ | RIB LENGTH | 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.375 INCHES NOMINAL |
| AAVT | RIB MINOR DIAMETER | 0.926 INCHES MINIMUM AND 0.930 INCHES MAXIMUM |
| AAVU | RIB QUANTITY | 36 |
| AHYM | NOMINAL THREAD DIAMETER | 0.750 INCHES |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQFM | HARDNESS RATING | 223.0 BRINELL STANDARD MINIMUM OVERALL AND 277.0 BRINELL STANDARD MAXIMUM OVERALL |
| CRKB | RIB INCLUDED ANGLE | 90.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL COMP 3120 OVERALL OR STEEL COMP 8620H OVERALL OR STEEL COMP 4620H OVERALL OR STEEL COMP 8622H OVERALL OR STEEL COMP 4427 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Relevant Components for NSN - 5306-00-741-1180, 5306007411180 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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