| Item Name | Bolt Externally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-385-2274 (013852274) |
| NCB Code | USA (01) |
| Manufacturer | Syn Tech Systems Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| CRHC | HOLE CONFIGURATION STYLE | ROUND |
| AASK | HEAD STYLE | PAN |
| AAUM | LOCKING FEATURE | SLOTTED HEAD |
| AAJD | THREAD CLASS | 2A |
| AASL | HEAD DIAMETER | 0.350 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.280 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.100 INCHES NOMINAL |
| AAUB | HOLE DIAMETER | 0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.665 INCHES NOMINAL GRIP |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ASXK | HOLE QUANTITY | 1 |
| BQDM | HOLE TYPE | DRILLED |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.610 INCHES NOMINAL GRIP |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-01-385-2274, 5306013852274 | ||||
| 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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