| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-282-4787 (012824787) |
| NCB Code | USA (01) |
| Manufacturer | National Designers Inc, Jay Em Aerospace Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 3.750 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 7.950 INCHES MINIMUM AND 8.050 INCHES MAXIMUM |
| AASK | HEAD STYLE | SQUARE |
| AASU | HEAD HEIGHT | 0.278 INCHES MINIMUM AND 0.316 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.603 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.452 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 4.250 INCHES NOMINAL FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL OR CADMIUM OVERALL OR PHOSPHATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Components Related to NSN - 5306-01-282-4787, 5306012824787 | ||||
| 5330-00-154-7423 (5330001547423) | 5365-01-326-1135 (5365013261135) | 5306-01-053-6961 (5306010536961) | 5310-00-523-2141 (5310005232141) | |
| 5325-01-240-1213 (5325012401213) | 5360-01-089-4004 (5360010894004) | 5330-01-089-6878 (5330010896878) | 5330-01-125-9042 (5330011259042) | |
| 5365-01-447-3568 (5365014473568) | 5340-00-967-7591 (5340009677591) | 5305-00-733-6616 (5305007336616) | 5310-01-278-4520 (5310012784520) | |
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