| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-190-2180 (011902180) |
| NCB Code | USA (01) |
| Manufacturer | Raytheon Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.375 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 3.245 INCHES MINIMUM AND 3.255 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.190 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.218 INCHES MINIMUM FOURTH HOLE AND 0.226 INCHES MAXIMUM FOURTH HOLE |
| AATN | SHOULDER DIAMETER | 0.218 INCHES MINIMUM SECOND SHOULDER AND 0.226 INCHES MAXIMUM SECOND SHOULDER |
| AATX | SHOULDER LENGTH | 0.134 INCHES MINIMUM SECOND SHOULDER AND 0.138 INCHES MAXIMUM SECOND SHOULDER |
| AATX | SHOULDER LENGTH | 0.350 INCHES NOMINAL FOURTH HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.138 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM OVERALL AND 39.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.115 INCHES MINIMUM FIRST HOLE AND 3.125 INCHES MAXIMUM FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND ALL SHOULDERS |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5306-01-190-2180, 5306011902180 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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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