|
|
|
National Stock Number:
5305-01-230-9893
Federal Supply Class:
5305
National Item Identification Number:
012309893
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:
| 5820262P1 | 94117 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. |
|
Techincal Specification:
| SPECIAL FEATURES | FINISH COLOR BLACK | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.310 INCHES NOMINAL | | FASTENER LENGTH | 0.870 INCHES NOMINAL | | MATERIAL | STEEL COMP 302 OR | | STEEL COMP 303 OR | | STEEL COMP 304 OR | | STEEL COMP 305 OR | | STEEL COMP 316 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 2 OR 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.303 INCHES MINIMUM AND | | 0.313 INCHES MAXIMUM | | HEAD HEIGHT | 0.180 INCHES MINIMUM AND | | 0.190 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.1562 INCHES MINIMUM AND | | 0.1587 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.145 INCHES MINIMUM AND | | 0.149 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.560 INCHES NOMINAL |
|
|