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National Stock Number:
5305-00-893-8098
Federal Supply Class:
5305
National Item Identification Number:
008938098
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:
| 240-616SS | 19315 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS | | 240-616SS | 55972 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS | | 6-40NF-3A X 1.000 CRES PSVT FIL | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | FF-S-92 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| FASTENER LENGTH | 1.000 INCHES NOMINAL | | HEAD DIAMETER | 0.215 INCHES MINIMUM AND 0.219 INCHES MAXIMUM | | HEAD HEIGHT | 0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | NONDEFINITIVE SPEC/STD DATA | I TYPE AND 4S STYLE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,MACHINE | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | STEEL COMP 303 | | SCREW SURFACE TREATMENT | PASSIVATE | | SPECIFICATION/STANDARD DATA | 81348-FF-S-92 GOVERNMENT SPECIFICATION | | SPECIAL FEATURES | SCREW,MACHINE, CRES PSVT FL FIL HD, 6-40 NF-3A X 1.000 PORM 0.015; 0.211-0.221 HD DIA 0.076-0.086 HD HGT; 0.044-0.048 SLOT DP 0.036-0.039 SLOT WD; CHAMFER ONE THD X 45 DEG; SPEC APPLIES EXCEPT AS SPECIFIED | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 1.000 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 40 |
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