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		                        | National Stock Number:
 5305-00-001-4897
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 000014897
 
 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:
 
 | 655-590-9106 | 57928 | SONIC INDUSTRIES, INC. |  | 655-590-9106 | 59364 | HONEYWELL INTERNATIONAL INC. |  | 68069-08-60 | 56878 | SPS TECHNOLOGIES, LLC |  | 68069-08-6D | 56878 | SPS TECHNOLOGIES, LLC |  | 655-590-9106 | 70276 | ALLEN MFG CO SUB OF CHICAGO PNEUMATIC TOOL CO |  | 655-590-9106 | 99193 | HONEYWELL INTERNATIONAL INC. |  | GA832-6A286D | 03647 | GLOBE AEROSPACE INC |  | AIC454-08-3 | 06725 | SPS TECHNOLOGIES, LLC | 
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 Techincal Specification:
 
 | THREAD SERIES DESIGNATOR | UNC |  | NOMINAL THREAD DIAMETER | 0.164 INCHES |  | THREAD QUANTITY PER INCH | 32 |  | THREAD CLASS | 3A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.283 INCHES MINIMUM AND |  |  | 0.375 INCHES MAXIMUM |  | FASTENER LENGTH | 0.345 INCHES MINIMUM AND |  |  | 0.375 INCHES MAXIMUM |  | MATERIAL | IRON ALLOY 660 OVERALL |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |  | HARDNESS RATING | 248.0 BRINELL STANDARD MINIMUM AND |  |  | 341.0 BRINELL STANDARD MAXIMUM OVERALL |  | MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH |  | MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH |  | HEAD STYLE | FLAT CHAMFER |  | HEAD DIAMETER | 0.262 INCHES MINIMUM AND |  |  | 0.270 INCHES MAXIMUM |  | HEAD HEIGHT | 0.159 INCHES MINIMUM AND |  |  | 0.164 INCHES MAXIMUM |  | INTERNAL DRIVE STYLE | HEXAGON |  | WIDTH ACROSS FLATS | 0.140 INCHES MINIMUM AND |  |  | 0.142 INCHES MAXIMUM | 
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