|
|
|
National Stock Number:
5305-01-146-7269
Federal Supply Class:
5305
National Item Identification Number:
011467269
Description:
SCREW,EXTERNALLY RELIEVED BODY
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.
|
Manufacturer Information:
| D1-8892B | 14850 | ARMY, UNITED STATES DEPARTMENT OF THE DBA DIORECTORATE OF PRODUCTION ENGINEERING DIV TOBYHANNA ARMY DEPOT | | FF-S-92 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
|
Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.438 INCHES NOMINAL | | COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.812 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.122 INCHES NOMINAL | | HEAD DIAMETER | 0.220 INCHES MINIMUM AND 0.252 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 2S STYLE | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
|
|