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National Stock Number:
5305-01-131-2169
Federal Supply Class:
5305
National Item Identification Number:
011312169
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:
| MS9712-04 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM | | FASTENER LENGTH | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM | | HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.215 INCHES MAXIMUM | | HEAD HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE | | HEAD STYLE | DOUBLE HEXAGON W/ HOLE | | HOLE DIAMETER | 0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM | | HOLE QUANTITY | 4 | | MINIMUM TENSILE STRENGTH | 175000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | PRECIOUS MATERIAL AND LOCATION | OVERALL SILVER | | PRECIOUS MATERIAL | SILVER | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS5708 ASSN STD SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | NICKEL ALLOY | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2410 ASSN STD SINGLE TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | SILVER | | WIDTH BETWEEN FLATS | 0.181 INCHES MINIMUM AND 0.189 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.287 INCHES MINIMUM AND 0.327 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 40 |
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