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National Stock Number:
5305-99-948-2088
Federal Supply Class:
5305
National Item Identification Number:
999482088
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:
| A102 | K7766 | BRITISH STANDARDS INSTITUTION | | A102 1-2A | U1653 | SOCIETY OF BRITISH AEROSPACE COMPANI LTD SBAC | | A102-1-2A | K5974 | ROLLS-ROYCE PLC NAVAL MARINE | | A102-1-2A | K7766 | BRITISH STANDARDS INSTITUTION | | A102-1/2A | K7766 | BRITISH STANDARDS INSTITUTION | | A102 1/2A | K7766 | BRITISH STANDARDS INSTITUTION | | B00442 | K0967 | MBDA UK LTD | | A1021-2A | U9115 | MINISTRY OF DEFENCE BRITISH STANDARD REFERENCES CONSTRUCTED TO A DEFINITI LEVEL FOR EUROFIGHTER AND TORNADO U NCB TASKING |
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Techincal Specification:
| FASTENER LENGTH | 0.450 INCHES NOMINAL | | HARDNESS RATING | 248.0 BRINELL STANDARD MINIMUM AND 380.0 BRINELL STANDARD MAXIMUM | | HEAD HEIGHT | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MINIMUM TENSILE STRENGTH | 123200 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SCREW MATERIAL | STEEL | | SCREW SURFACE TREATMENT | CADMIUM | | SPECIAL FEATURES | GRIP LENGTH 0.050; GRIP DIA 0.1085-0.1115 IN. | | WIDTH BETWEEN FLATS | 0.183 INCHES MINIMUM AND 0.188 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.400 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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