| Item Name | Bolt Ribbed Shoulde |
| INC Code | 16014 |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-039-6637 (010396637) |
| NCB Code | USA (01) |
| Manufacturer | Army United States Department Of The, Us Army Ardec Rdecom |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.300 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 2.820 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 2.000 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.380 INCHES NOMINAL |
| AASY | DISTANCE FROM CENTERLINE TO FLAT | 0.750 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.960 INCHES MINIMUM AND 0.970 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.760 INCHES NOMINAL FIRST SHOULDER |
| AAVP | RIB MAJOR DIAMETER | 1.312 INCHES NOMINAL |
| AAVQ | RIB LENGTH | 0.540 INCHES NOMINAL |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.120 INCHES NOMINAL |
| AAVT | RIB MINOR DIAMETER | 1.178 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| CRKB | RIB INCLUDED ANGLE | 45.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UN |
| Relevant Components for NSN - 5306-01-039-6637, 5306010396637 | ||||
| 5306-01-044-6542 (5306010446542) | 5306-00-638-3143 (5306006383143) | 5306-01-599-7864 (5306015997864) | 5306-01-580-9186 (5306015809186) | |
| 5306-00-836-0237 (5306008360237) | 5306-00-490-4588 (5306004904588) | 5306-00-515-7096 (5306005157096) | 5306-01-339-9553 (5306013399553) | |
| 5306-00-655-7488 (5306006557488) | 5306-01-669-6717 (5306016696717) | 5306-00-151-0433 (5306001510433) | 5306-00-452-4577 (5306004524577) | |
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