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National Stock Number:
5305-01-530-5642
Federal Supply Class:
5305
National Item Identification Number:
015305642
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:
| E65-4273-12 REV B | 03AJ8 | HATCH INDUSTRIES, INCORPORATED | | E65-4273-12 REV B | 0FW37 | NAVAL SURFACE WARFARE CENTER CARDEROCK DIV | | E65-4273-12 REV B | 17283 | BEK, INC. | | E65-4273-12 REV B | 1EJ29 | CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC |
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Techincal Specification:
| COUNTERSINK ANGLE | 98.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.970 INCHES MINIMUM AND 2.000 INCHES MAXIMUM | | HEAD DIAMETER | 1.281 INCHES MINIMUM AND 1.375 INCHES MAXIMUM | | HEAD STYLE | OVAL COUNTERSUNK | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | PATCH THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CL. A FED SPEC SINGLE MATERIAL RESPONSE FASTENER | | MATERIAL | NICKEL ALLOY 400 FASTENER | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | SPECIAL FEATURES | TWO PATCHES OF SELF LOCKING ELEMENT ON THREADS 60 DEGREES APART | | WIDTH ACROSS FLATS | 0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.650 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 10 | | THREAD SERIES DESIGNATOR | UNC |
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