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National Stock Number:
5305-01-625-7499
Federal Supply Class:
5305
National Item Identification Number:
016257499
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:
| NAS1131E1P | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 3A | | FASTENER LENGTH | 0.338 MILLIMETERS NOMINAL | | HEAD DIAMETER | 0.256 MILLIMETERS MINIMUM AND 0.270 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 0.087 MILLIMETERS MINIMUM AND 0.097 MILLIMETERS MAXIMUM | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | TORQUE SET | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,MACHINE,PANHEAD,CLOSE TOLERANCE,SHORT THREAD,OFFSET,CRUCIFORM | | NOMINAL THREAD DIAMETER | 0.138 MILLIMETERS | | NONDEFINITIVE SPEC/STD DATA | MS-QQ-P-416 SHADE AND 2 TYPE AND 2 CLASS | | SCREW MATERIAL | STEEL CORROSION RESISTING | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJC | | WIDTH BETWEEN FLATS | 0.160 MILLIMETERS NOMINAL |
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