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		                        | National Stock Number:
 5305-01-465-2959
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 014652959
 
 Description:
 SCREW,MACHINE
 
 Detail:
 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
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 Manufacturer Information:
 
 | HS4179-3-8 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC |  | HS4179-3-8 | 8V613 | THE BOEING COMPANY | 
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 Techincal Specification:
 
 | FASTENER LENGTH | 0.776 INCHES NOMINAL |  | HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |  | HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |  | HEAD STYLE | PAN |  | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |  | NOMINAL THREAD DIAMETER | 0.190 INCHES |  | SCREW MATERIAL | IRON ALLOY 660 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.276 INCHES NOMINAL |  | THREAD QUANTITY PER INCH | 32 |  | THREAD SERIES DESIGNATOR | UNF | 
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