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National Stock Number:
5305-01-603-1439
Federal Supply Class:
5305
National Item Identification Number:
016031439
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:
| PMT738-3U12 | 1RC86 | HOWMET GLOBAL FASTENING SYSTEMS INC | | PMT738-3U12 | 5R793 | HOWMET GLOBAL FASTENING SYSTEMS INC | | PMT738-3U12 | K8753 | LINREAD NORTHBRIDGE AIRCRAFT PRODUCT DIVISION |
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Techincal Specification:
| BEARING SURFACE OF HEAD SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633-78, TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE | | BEARING SURFACE OF HEAD SURFACE TREATMENT | ZINC | | FASTENER LENGTH | 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | | HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM | | HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM | | HEAD STYLE | PAN | | HEAD SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633-78, TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE | | HEAD SURFACE TREATMENT | ZINC | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE II | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, MACHINE-PAN HEAD, CROSS-RECESSED, CARBON STEEL, ZINC PLATED, UNF-2A | | MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | FED STD NO 66 FED STD SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | STEEL | | SCREW SURFACE TREATMENT | ZINC | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633-78, TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE | | SHANK SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633-78, TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE | | SHANK SURFACE TREATMENT | ZINC | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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