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National Stock Number:
5305-01-561-0415
Federal Supply Class:
5305
National Item Identification Number:
015610415
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:
| NAS1802-4D17 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| BEARING SURFACE OF HEAD SURFACE TREATMENT | CADMIUM | | COLOR | SILVER | | HEAD HEIGHT | 0.073 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | HEAD SURFACE TREATMENT | CADMIUM | | HOLE DIAMETER | 0.051 INCHES NOMINAL | | HOLE QUANTITY | 3 | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX HEAD SCREW | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHANK SURFACE TREATMENT | CADMIUM | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MS5731 ASSN STD SINGLE MATERIAL RESPONSE AND 5732 ASSN STD SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | IRON ALLOY 660 | | SCREW SURFACE TREATMENT | CADMIUM | | SPECIAL FEATURES | USED TO HOLD BRUSH BLOCK ASSEMBLY IN PLACE | | WIDTH BETWEEN FLATS | 0.372 INCHES NOMINAL | | SUPPLEMENTARY FEATURES | T.O. (FR)01-E2AAA-4-3 | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.880 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF |
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