|
|
|
National Stock Number:
5305-01-256-6860
Federal Supply Class:
5305
National Item Identification Number:
012566860
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:
|
Techincal Specification:
| FASTENER LENGTH | 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC | | HEAD HEIGHT | 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SPECIAL FEATURES | COLOR BLACK | | WIDTH ACROSS FLATS | 0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM | | THREAD LENGTH | 0.158 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
|
|