| Item Name | Bolt Externally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-426-5269 (014265269) |
| NCB Code | USA (01) |
| Manufacturer | Hamilton Sundstrand Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.450 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.620 INCHES NOMINAL |
| AASK | HEAD STYLE | CROWNED HEXAGON |
| AASU | HEAD HEIGHT | 0.765 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.432 INCHES NOMINAL |
| AAWC | FIRST DIAMETER FROM HEAD | 0.190 INCHES NOMINAL |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.180 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | USED ON COAST GUARD HU25 CONSTANT SPEED MOTOR 1650-01-074-2890 |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FEAT | SPECIAL FEATURES | KNOWN AS WEBBLER STOP SCREW |
| HUES | COLOR | SILVER OVERALL |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5306-01-426-5269, 5306014265269 | ||||
| 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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