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		                        | National Stock Number:
 5305-01-028-5689
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 010285689
 
 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:
 
 | 49776-10X3PC9 | 96169 | ELECTRIC BOAT CORPORATION | 
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 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNF |  | NOMINAL THREAD DIAMETER | 0.138 INCHES |  | THREAD QUANTITY PER INCH | 16 |  | THREAD CLASS | 2A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.709 INCHES MINIMUM AND |  |  | 0.895 INCHES MAXIMUM |  | FASTENER LENGTH | 1.063 INCHES MINIMUM AND |  |  | 1.125 INCHES MAXIMUM |  | MATERIAL | NICKEL ALLOY 400 AND |  |  | NICKEL ALLOY R-405 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL |  | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |  | MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH |  | HEAD STYLE | FLAT COUNTERSUNK |  | HEAD DIAMETER | 0.685 INCHES MINIMUM AND |  |  | 0.762 INCHES MAXIMUM |  | COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL |  | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |  | LOCKING FEATURE | PELLET THREADS | 
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