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National Stock Number:
5305-01-411-4799
Federal Supply Class:
5305
National Item Identification Number:
014114799
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.
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Manufacturer Information:
| 3048602P1 | 94117 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. |
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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 | 0.215 INCHES NOMINAL | | FASTENER LENGTH | 0.450 INCHES MINIMUM AND | | 0.480 INCHES MAXIMUM | | MATERIAL | IRON ALLOY 660 OR | | STEEL COMP 615 OR | | STEEL COMP 630 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5735 ASSN STD 1ST MATERIAL RESPONSE OR | | AMS5616 ASSN STD 2ND MATERIAL RESPONSE OR | | AMS5643 ASSN STD 3RD MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35, TY I FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | PAN | | HEAD DIAMETER | 0.270 INCHES NOMINAL | | HEAD HEIGHT | 0.097 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.090 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.255 INCHES NOMINAL | | SPECIAL FEATURES | IRON ALLOY 660 IS HEAT TREAT TO 24 - 37 HRC, STEEL COMP 615 HEAT TREAT TO 32 - 38 HRC, OR STEEL 630 HEAT TREAT TO 31 - 39 HRC |
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