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National Stock Number:
5305-01-658-0558
Federal Supply Class:
5305
National Item Identification Number:
016580558
Description:
SCREW,CAP,SOCKET HEAD
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Manufacturer Information:
| 0.500-20UNRF-3AX3.250LG STL | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 211067722 | 96169 | ELECTRIC BOAT CORPORATION | | D2000011439-F18 | 43689 | HUNTINGTON INGALLS INC | | 902-6410154 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 902-6410154-F18 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 3.250 INCHES NOMINAL | | HEAD DIAMETER | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | HEAD HEIGHT | 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | WIDTH ACROSS FLATS | 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.250 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNRF |
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