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National Stock Number:
5305-01-168-0869
Federal Supply Class:
5305
National Item Identification Number:
011680869
Description:
SCREW,CAP,SOCKET HEAD
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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Manufacturer Information:
| FF-S-86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | SF-10512 ITEM 034 | 16712 | SIEMENS ENERGY, INC. | | SF-10512 ITEM 034 | 59180 | CIRCOR PUMPS NORTH AMERICA LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | THREAD QUANTITY PER INCH | 11 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.758 INCHES MINIMUM AND | | 2.000 INCHES MAXIMUM | | FASTENER LENGTH | 1.940 INCHES MINIMUM AND | | 2.000 INCHES MAXIMUM | | MATERIAL | PLASTIC LOCKING FEATURE | | STEEL FASTENER | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE FASTENER | | SURFACE TREATMENT | PHOSPHATE FASTENER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232 TY Z CL 2 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND | | 45.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 150000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.921 INCHES MINIMUM AND | | 0.938 INCHES MAXIMUM | | HEAD HEIGHT | 0.616 INCHES MINIMUM AND | | 0.625 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.500 INCHES NOMINAL | | LOCKING FEATURE | STRIP OR | | PELLET OR | | PATCH THREADS | | NONDEFINITIVE SPEC/STD DATA | 6 TYPE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-86 |
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