| Item Name | Bolt Ribbed Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-741-1179 (007411179) |
| NCB Code | USA (00) |
| Manufacturer | Eca Etablissement Central Des, Meritor Heavy Vehicle Braking System, Military Standards Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AASL | HEAD DIAMETER | 1.312 INCHES NOMINAL |
| AAVQ | RIB LENGTH | 0.438 INCHES NOMINAL |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| CRKB | RIB INCLUDED ANGLE | 90.0 DEGREES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.188 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 4.188 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASU | HEAD HEIGHT | 0.312 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.973 INCHES MINIMUM FIRST SHOULDER AND 0.977 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 2.688 INCHES NOMINAL FIRST SHOULDER |
| AAVP | RIB MAJOR DIAMETER | 1.020 INCHES MINIMUM AND 1.023 INCHES MAXIMUM |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.375 INCHES NOMINAL |
| AAVT | RIB MINOR DIAMETER | 0.945 INCHES NOMINAL |
| AAVU | RIB QUANTITY | 36 |
| AHYM | NOMINAL THREAD DIAMETER | 0.750 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQFM | HARDNESS RATING | 223.0 BRINELL STANDARD MINIMUM OVERALL AND 227.0 BRINELL STANDARD MAXIMUM OVERALL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 4320H OVERALL OR STEEL COMP 4620H OVERALL OR STEEL COMP 8620H OVERALL OR STEEL COMP 8622 OVERALL OR STEEL COMP 8622H OVERALL OR STEEL COMP 3120 OVERALL OR STEEL COMP 4427 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-00-741-1179, 5306007411179 | ||||
| 5305-01-339-0166 (5305013390166) | 5365-01-662-5153 (5365016625153) | 5360-01-351-8647 (5360013518647) | 5305-00-452-2092 (5305004522092) | |
| 5320-01-350-0370 (5320013500370) | 5365-01-048-9619 (5365010489619) | 5330-01-329-6615 (5330013296615) | 5331-00-493-8173 (5331004938173) | |
| 5330-00-146-3153 (5330001463153) | 5305-00-052-8884 (5305000528884) | 5330-01-651-5544 (5330016515544) | 5310-00-444-5136 (5310004445136) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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