8415-01-517-2574 JACKET,FLIGHT LINE CREWMAN'S Index 3439-01-517-2576 SOLDER,TIN ALLOY

National Stock Number:
5305-01-517-2575

Federal Supply Class:
5305

National Item Identification Number:
015172575

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.


Manufacturer Information:
D91906-24C80020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2
D91906-24Z80020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER1.000 INCHES
THREAD QUANTITY PER INCH8
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.750 INCHES MINIMUM
FASTENER LENGTH4.250 INCHES NOMINAL
MATERIALSTEEL OVERALL
HARDNESS RATING26.0 ROCKWELL B MINIMUM AND
32.0 ROCKWELL B MAXIMUM OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER1.500 INCHES NOMINAL
HEAD HEIGHT1.000 INCHES NOMINAL
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.750 INCHES NOMINAL


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