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National Stock Number:
5305-01-529-9499
Federal Supply Class:
5305
National Item Identification Number:
015299499
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:
| NASM16995-56 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| FASTENER LENGTH | 2.744 INCHES MINIMUM AND 2.750 INCHES MAXIMUM | | HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIFICATION/STANDARD DATA | 88044-NAS-16995 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.000 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH ACROSS FLATS | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
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