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National Stock Number:
5305-01-220-0193
Federal Supply Class:
5305
National Item Identification Number:
012200193
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:
| CA21070-6-4HS | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | GS520CK6-04 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | GS520CK6-04 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.065 INCHES MINIMUM AND 1.085 INCHES MAXIMUM | | HEAD DIAMETER | 0.490 INCHES MINIMUM AND 0.528 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 8740 OR STEEL COMP 4140 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SPECIAL FEATURES | SPLINES LENGTH OF SCREW 0.055 INCH MIN,0.065 INCH MAX WIDE; 0.032 INCH MIN,0.042 INCH MAX DEEP. HOLE FOR PLUG IN THREAD END | | WIDTH ACROSS FLATS | 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.635 INCHES MINIMUM AND 0.794 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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