| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-280-6691 (012806691) |
| NCB Code | USA (01) |
| Manufacturer | General Dynamics Robotics System Inc, Zf Industrieantriebe Witten Gmbh, Lockheed Martin Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 2.100 INCHES MINIMUM AND 2.200 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 27.098 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.950 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 2.175 INCHES MINIMUM AND 2.250 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.938 INCHES NOMINAL THIRD SHOULDER |
| AATN | SHOULDER DIAMETER | 0.994 INCHES MINIMUM FOURTH SHOULDER AND 0.996 INCHES MAXIMUM FOURTH SHOULDER |
| AATN | SHOULDER DIAMETER | 0.994 INCHES MINIMUM SECOND SHOULDER AND 0.996 INCHES MAXIMUM SECOND SHOULDER |
| AATN | SHOULDER DIAMETER | 1.494 INCHES MINIMUM FIRST SHOULDER AND 1.496 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.000 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 10.000 INCHES NOMINAL THIRD SHOULDER |
| AATX | SHOULDER LENGTH | 6.500 INCHES NOMINAL FOURTH SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| CBBL | FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CWYB | SHOULDER SHAPE | ROUND ALL SHOULDERS |
| FEAT | SPECIAL FEATURES | TWO STEPPED-DOWN SHOULDERS TAPERED; FURNISHED WITH TWO UNDERCUTS; FLAT POINT 0.180 IN. MIN. TO 0.250 IN. MAX. ON THREADED END |
| MATT | MATERIAL | STEEL COMP 630 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-01-280-6691, 5306012806691 | ||||
| 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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