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National Stock Number: 5305-00-546-5630
Federal Supply Class: 5305
National Item Identification Number: 005465630
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:
246349 | 56055 | PRECISION SPEED MANUFACTURING, LLC | 246349 | 77445 | RTX CORPORATION | 246349 | 80539 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
CRITICALITY CODE JUSTIFICATION | FEAT | FASTENER LENGTH | 0.448 INCHES MAXIMUM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | HEAD DIAMETER | 0.260 INCHES MAXIMUM | HEAD HEIGHT | 0.103 INCHES MAXIMUM | HEAD STYLE | ROUND | INTERNAL DRIVE STYLE | SLOT | NOMINAL THREAD DIAMETER | 0.138 INCHES | SCREW MATERIAL | STEEL COMP 8740 | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE | SCREW SURFACE TREATMENT | CADMIUM | SPECIAL FEATURES | PART MEETS THE Y REQUIREMENTS DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.386 INCHES MAXIMUM | THREAD QUANTITY PER INCH | 32 | THREAD SERIES DESIGNATOR | UNC |
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