|
|
|
National Stock Number:
5305-00-849-8518
Federal Supply Class:
5305
National Item Identification Number:
008498518
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.
|
Manufacturer Information:
| FFS86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
|
Techincal Specification:
| FASTENER LENGTH | 0.500 INCHES NOMINAL | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.178 INCHES MINIMUM AND 0.183 INCHES MAXIMUM | | HEAD HEIGHT | 0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | NONDEFINITIVE SPEC/STD DATA | 6 TYPE | | INTERNAL DRIVE STYLE | HEXAGON | | MINIMUM YIELD STRENGTH | 155000 POUNDS PER SQUARE INCH | | THREAD CLASS | 3A | | THREAD LENGTH | 0.500 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC | | WIDTH ACROSS FLATS | 0.078 INCHES NOMINAL |
|
|