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National Stock Number:
5305-01-585-1644
Federal Supply Class:
5305
National Item Identification Number:
015851644
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:
| 120-220-3P8 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 120-220-3P8 | 0K6Z0 | SATURN FASTENERS INC | | 120-220-3P8 | 1ER65 | 3-V FASTENER CO., INC. | | 120-220-3P8 | 62384 | LFC INDUSTRIES INC. | | 120-220-3P8 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.437 INCHES NOMINAL | | FASTENER LENGTH | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | | HEAD DIAMETER | 0.375 INCHES NOMINAL | | HEAD HEIGHT | 0.096 INCHES MINIMUM AND 0.106 INCHES MAXIMUM | | HEAD STYLE | ROUND EXTENDED WASHER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW MACHINE, WASHER HEAD, LONG THREAD 160 KSI FTU | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SCREW MATERIAL | STEEL COMP 4340 OR STEEL COMP 8740 | | SCREW SURFACE TREATMENT | CADMIUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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