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		                             National Stock Number: 5305-01-064-1551
  Federal Supply Class: 5305
  National Item Identification Number: 010641551
  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:
 | GS551B3S7 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |   
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  Techincal Specification:
 | THREAD SERIES DESIGNATOR | UNF |  | NOMINAL THREAD DIAMETER | 0.190 INCHES |  | THREAD QUANTITY PER INCH | 32 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.327 INCHES MINIMUM AND |   | 0.360 INCHES MAXIMUM |  | FASTENER LENGTH | 0.469 INCHES NOMINAL |  | MATERIAL | STEEL COMP 8630 OR |   | STEEL COMP 4037 OVERALL |  | SURFACE TREATMENT | CADMIUM OVERALL |  | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |  | HEAD STYLE | FLAT COUNTERSUNK |  | HEAD DIAMETER | 0.327 INCHES MINIMUM AND |   | 0.385 INCHES MAXIMUM |  | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |  | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |  | LOCKING FEATURE | PATCH THREADS |   
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