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National Stock Number:
5305-01-371-6156
Federal Supply Class:
5305
National Item Identification Number:
013716156
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 | | MS24674-38 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.389 INCHES MAXIMUM | | FASTENER LENGTH | 1.460 INCHES MINIMUM AND | | 1.540 INCHES MAXIMUM | | MATERIAL | STEEL COMP 302 OR | | STEEL COMP 304 OR | | STEEL COMP 305 OR | | STEEL COMP 316 OR | | STEEL COMP 384 OR | | STEEL COMP XM-7 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 80.0 ROCKWELL B NOMINAL OVERALL | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.457 INCHES MINIMUM AND | | 0.469 INCHES MAXIMUM | | HEAD HEIGHT | 0.306 INCHES MINIMUM AND | | 0.312 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.250 INCHES MINIMUM AND | | 0.253 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 3 | | HOLE DIAMETER | 0.044 INCHES MINIMUM AND | | 0.055 INCHES MAXIMUM | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-86 | | MANUFACTURERS CODE | 96906 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS24674-38 |
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