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National Stock Number:
5305-99-136-6041
Federal Supply Class:
5305
National Item Identification Number:
991366041
Description:
SCREW,MACHINE
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal 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. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
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Manufacturer Information:
| 651/986 | U1066 | G E C SENSORS LTD | | 651/986 | U2248 | SELEX ELSAG LTD | | SS22B1131TEM5 | K5728 | G E C MARCONI AVIONICS LTD | | BS 57 | K7766 | BRITISH STANDARDS INSTITUTION | | BS57 | K7766 | BRITISH STANDARDS INSTITUTION | | SS22B1131TEM5 | U2248 | SELEX ELSAG LTD |
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Techincal Specification:
| COUNTERSINK ANGLE | 88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM | | EXTERNAL THREAD TOLERANCE CLASS | NORMAL | | FASTENER LENGTH | 0.375 INCHES NOMINAL | | HEAD DIAMETER | 0.184 INCHES MINIMUM AND 0.194 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | MINIMUM TENSILE STRENGTH | 56000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 6.0 MILLIMETERS | | SCREW MATERIAL | STEEL | | SPECIAL FEATURES | CHEMICALLY BLACKENED TO PERNIX ENTHONE SPECIFICATION EBONOL:OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.324 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | BA | | THREAD PITCH IN MILLIMETERS | 0.53 |
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