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National Stock Number:
5305-01-187-6070
Federal Supply Class:
5305
National Item Identification Number:
011876070
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:
| 6300780-66 | 53711 | NAVAL SEA SYSTEMS COMMAND | | FF-S-86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | MS24667-66 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | MS24667-66 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS24667-66 | K4922 | MARSHALL LAND SYSTEMS LIMITED |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.437 INCHES | | THREAD QUANTITY PER INCH | 14 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.547 INCHES MINIMUM AND | | 1.750 INCHES MAXIMUM | | FASTENER LENGTH | 1.690 INCHES MINIMUM AND | | 1.750 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 45.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.781 INCHES MINIMUM AND | | 0.844 INCHES MAXIMUM | | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND | | 84.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL | | NONDEFINITIVE SPEC/STD DATA | 4 TYPE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-86 |
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