| Item Name | Bolt Close Toleranc |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-383-6065 (013836065) |
| NCB Code | USA (01) |
| Manufacturer | Defense Logistics Agency |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AATB | WIDTH BETWEEN FLATS | 1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| FEAT | SPECIAL FEATURES | THREAD IS SAFETY CRITICAL PER MIL-S-8879 UNDER APPLICATION CATEGORY SAFETY CRITICAL EXCEPT MAJOR DIA TO BE 0.001 IN BELOW MIN SHANK DIA. APPLY ONE COAT OF MIL-P-23377,TY 1,CL 1 OR 3 AND TWO TOP COATS OF MIL-C-46168 COLOR CODE 33538 PER FE |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AASA | THREAD LENGTH | 0.770 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 2.193 INCHES MINIMUM AND 2.223 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 1.000 INCHES |
| ANEE | GRIP LENGTH | 1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM |
| CRTL | CRITICALITY CODE JUSTIFICATION | THSD |
| CSYM | SURFACE FINISH | 16.0 MICROINCHES THREADS |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES GRIP |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NAS 621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASU | HEAD HEIGHT | 0.500 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.9985 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM |
| MATT | MATERIAL | TITANIUM ALLOY OVERALL |
| Relevant Components for NSN - 5306-01-383-6065, 5306013836065 | ||||
| 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) | |
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