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National Stock Number:
5305-01-350-0027
Federal Supply Class:
5305
National Item Identification Number:
013500027
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:
| 90706 | N0379 | ULSTEIN BERGEN A/S | | 90706 | N4528 | ROLLS-ROYCE MARINE A/S DEP.ENGINES-BERGEN | | L410/51 ITEM 9 | N0379 | ULSTEIN BERGEN A/S | | L410/51 ITEM 9 | N4528 | ROLLS-ROYCE MARINE A/S DEP.ENGINES-BERGEN | | LE158135 | 55473 | DELIVERY SYSTEMS INC | | LE158135 | N0379 | ULSTEIN BERGEN A/S | | LE158135 | N4528 | ROLLS-ROYCE MARINE A/S DEP.ENGINES-BERGEN |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 20.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 7.24 MILLIMETERS MINIMUM AND 7.76 MILLIMETERS MAXIMUM | | HEAD HOLE CONFIGURATION STYLE | HEXAGON LONGITUDINAL HOLE | | HEAD STYLE | HEXAGON | | HOLE QUANTITY | 1 | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS | | SCREW MATERIAL | STEEL | | WIDTH BETWEEN FLATS | 17.73 MILLIMETERS MINIMUM AND 18.00 MILLIMETERS MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 16.5 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 1.75 |
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