|
|
|
National Stock Number:
5305-01-469-6307
Federal Supply Class:
5305
National Item Identification Number:
014696307
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:
| 256202 PC22 | 43689 | HUNTINGTON INGALLS INC | | 256202 PC22 | 53711 | NAVAL SEA SYSTEMS COMMAND |
|
Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD PITCH IN MILLIMETERS | 1.27 | | THREAD CLASS | 3A | | EXTERNAL THREAD TOLERANCE CLASS | 3A | | NONSTANDARD THREAD PITCH DIAMETER | 0.2350 TO 0.2650 INCHES | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES NOMINAL | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | CHAMFER FLANGE | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.250 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.281 INCHES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL |
|
|