| Item Name | Bolt Internally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-637-0203 (006370203) |
| NCB Code | USA (00) |
| Manufacturer | Chrysler Corp, Daimler Chrysler, Mcquay Norris Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAEL | THREADS PER INCH | 28 CONCENTRIC HOLE |
| AAEL | THREADS PER INCH | 28 COUNTERBORE |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.875 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 3.375 INCHES NOMINAL |
| AASK | HEAD STYLE | DEE CHAMFER |
| AASL | HEAD DIAMETER | 1.125 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.250 INCHES NOMINAL |
| AASY | DISTANCE FROM CENTERLINE TO FLAT | 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.136 INCHES NOMINAL FIRST HOLE |
| AAWX | CONCENTRIC HOLE DEPTH | 1.875 INCHES NOMINAL |
| AAXC | CONCENTRIC HOLE DIAMETER | 0.219 INCHES NOMINAL |
| ABXT | INTERNAL THREAD LENGTH | 0.250 INCHES NOMINAL COUNTERBORE |
| AHYM | NOMINAL THREAD DIAMETER | 0.625 INCHES |
| BZRR | THREAD SERIES | UNF CONCENTRIC HOLE |
| BZRR | THREAD SERIES | UNF COUNTERBORE |
| CGMJ | INTERNAL THREAD DIRECTION | RIGHT-HAND COUNTERBORE |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES CONCENTRIC HOLE |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES COUNTERBORE |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.188 INCHES NOMINAL FIRST HOLE |
| CWWR | INTERNAL THREAD CLASS | 2B COUNTERBORE |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | COUNTERBORE THREADED |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-00-637-0203, 5306006370203 | ||||
| 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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