|
|
|
National Stock Number:
5305-00-202-1584
Federal Supply Class:
5305
National Item Identification Number:
002021584
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:
| 39905-3 | 87557 | LOCKHEED CORP LOCKHEED ELECTRONICS CO INC | | 39905-3 | 94117 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. |
|
Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.250 INCHES NOMINAL | | FASTENER LENGTH | 0.620 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OR | | STEEL COMP 303SE OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PD3330 FSCM 87557 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | FILLISTER | | HEAD DIAMETER | 0.208 INCHES MINIMUM AND | | 0.226 INCHES MAXIMUM | | HEAD HEIGHT | 0.118 INCHES MINIMUM AND | | 0.132 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.100 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.370 INCHES NOMINAL | | SPECIAL FEATURES | CONE POINT 120 DEGREE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 94117 | | DESIGN CONTROL REFERENCE | 39905-3 |
|