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National Stock Number:
5305-01-623-3945
Federal Supply Class:
5305
National Item Identification Number:
016233945
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:
| NAS1801-4D13 | 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 FINISH | 63.0 MICROINCHES | | FASTENER LENGTH | 0.7965 INCHES MINIMUM AND 0.8435 INCHES MAXIMUM | | HEAD HOLE CONFIGURATION STYLE | HEXAGON FLATS | | HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | HOLE DIAMETER | 0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM | | HOLE QUANTITY | 3 | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,HEX HEAD,CRUCIFORM RECESS,FULL THREAD,ALLOY STEEL,160KSI FTU | | NOMINAL THREAD DIAMETER | 0.2500 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS6382 NATIONAL SPEC 1ST MATERIAL RESPONSE OR AMS6415 OR AMS6484 NATIONAL SPEC 2ND MATERIAL RESPONSE OR AMS6322 NATIONAL SPEC 3RD MATERIAL RESPONSE | | SCREW MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | CADMIUM | | SHANK SURFACE FINISH | 32.0 MICROINCHES | | SPECIFICATION/STANDARD DATA | 80205-NAS1801 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.7965 INCHES MINIMUM AND 0.8435 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) | | THREAD SURFACE FINISH | 32.0 MICROINCHES | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
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