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National Stock Number:
5305-01-541-5404
Federal Supply Class:
5305
National Item Identification Number:
015415404
Description:
SCREW,CAP,SOCKET HEAD
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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Manufacturer Information:
| 0.375-16UNC-3AX3.250LG STL | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 2643-744-01 ITEM 41 | 96169 | ELECTRIC BOAT CORPORATION | | 845-7108906 ITEM 41 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.125 INCHES NOMINAL | | FASTENER LENGTH | 3.250 INCHES NOMINAL | | MATERIAL | PLASTIC NYLON LOCKING FEATURE | | STEEL FASTENER | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-F-18240 MIL STD SINGLE MATERIAL RESPONSE LOCKING FEATURE | | FF-S-86,TY VI FED SPEC SINGLE MATERIAL RESPONSE AND | | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE FASTENER | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.550 INCHES MINIMUM AND | | 0.562 INCHES MAXIMUM | | HEAD HEIGHT | 0.368 INCHES MINIMUM AND | | 0.375 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CAP, SELF LOCKING, HEX SOCKET, CYLINDER HEAD, 1960 SERIES |
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