| Item Name | Bolt Ribbed Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-055-6876 (010556876) |
| NCB Code | USA (01) |
| Manufacturer | Dico Inc, Titan Distribution Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.188 INCHES MINIMUM AND 1.219 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.625 INCHES MINIMUM AND 1.656 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.812 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.6125 INCHES MINIMUM FIRST SHOULDER AND 0.6195 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.437 INCHES NOMINAL FIRST SHOULDER |
| AAVP | RIB MAJOR DIAMETER | 0.612 INCHES MINIMUM AND 0.619 INCHES MAXIMUM |
| AAVQ | RIB LENGTH | 0.376 INCHES NOMINAL |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.062 INCHES MAXIMUM |
| AAVU | RIB QUANTITY | 39 |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-01-055-6876, 5306010556876 | ||||
| 5330-01-539-5629 (5330015395629) | 5305-01-517-2434 (5305015172434) | 5305-00-057-3980 (5305000573980) | 5325-01-082-8190 (5325010828190) | |
| 5305-99-254-4806 (5305992544806) | 5315-01-592-1130 (5315015921130) | 5330-00-561-7707 (5330005617707) | 5330-01-313-3034 (5330013133034) | |
| 5307-01-185-8617 (5307011858617) | 5330-01-648-9167 (5330016489167) | 5365-00-210-1895 (5365002101895) | 5315-01-061-2903 (5315010612903) | |
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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