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National Stock Number:
5305-01-346-7811
Federal Supply Class:
5305
National Item Identification Number:
013467811
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:
| BBM7038-040-14 | 27238 | BRISTOL INDUSTRIES LLC | | HS7038M4-14 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | HS7038M4-14 | 8V613 | THE BOEING COMPANY | | OSS7038M4-14 | 1YQE8 | ALLIANT TECHSYSTEMS OPERATIONS LLC | | OSS7038M4-14 | 8KP69 | NORTHROP GRUMMAN SYSTEMS CORP |
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Techincal Specification:
| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL | | EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 14.0 MILLIMETERS NOMINAL | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 8.0 MILLIMETERS NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS | | WIDTH ACROSS FLATS | 2.5 MILLIMETERS NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 14.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | M | | THREAD PITCH IN MILLIMETERS | 0.7 |
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