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National Stock Number:
5305-01-571-7192
Federal Supply Class:
5305
National Item Identification Number:
015717192
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:
| MS27039C0830 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | NASM27039 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| FASTENER LENGTH | 1.953 INCHES NOMINAL | | HEAD DIAMETER | 0.958 INCHES MINIMUM AND 0.987 INCHES MAXIMUM | | HEAD HEIGHT | 0.327 INCHES MINIMUM AND 0.348 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, MACHINE, PAN HEAD, STRUCTURAL, CROSS RECESSED | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE | | SCREW SURFACE TREATMENT | PASSIVATE | | SCREW MATERIAL | STEEL CORROSION RESISTING | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2700 METHOD 1 TYPE 2 OR 8 CLASS 1 TEST METHOD 102 ASSN STD SINGLE TREATMENT RESPONSE | | SPECIFICATION/STANDARD DATA | 80205-MS27039 REV F DTD NOV 1995 SUPERSEDED BY NASM 27039 REV 2 NOV 2007 NATIONAL STD/SPEC | | SPECIAL FEATURES | SPECIFIC MATERIAL HEAT AND CORROSION RESISTANT STEEL, A286 IRON BASE SUPER ALLOY;GRIP LENGTH 1.125 INCHES NOMINAL;END CHAMFERED 0.047 X 45 DEG;R1 ON PAN HEAD MIN 0.020 INCHES AND MAX 0.30 INCHES NOMINAL;ULTIMATE TENSILE LOAD 20000 POUNDS;ULTIMATE DOUBLE SHEAR LOAD 29400 POUNDS;ULTIMATE TENSILE STRENGTH 130000 PSI;HEAD MARKING: BASIC PART NBR AND APPLICABLE DASH NBR;MATERIAL-C;MFR TRADE MARK-LOCATION OPTIONAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.828 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF |
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