1325-01-494-0541 LANYARD,FIRING,FUZE Index 5306-01-494-0543 BOLT,MACHINE

National Stock Number:
5305-01-494-0542

Federal Supply Class:
5305

National Item Identification Number:
014940542

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:
1.250008UN2A3.500T2G4340SEA81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
386B05903890099NORTHROP GRUMMAN SYSTEMS CORPORATION
MIL-DTL-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-S-122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH3.500 INCHES NOMINAL
HEAD HEIGHT0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLESQUARE
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER1.250 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 4340 GRADE
WIDTH ACROSS FLATS0.875 INCHES NOMINAL
WIDTH BETWEEN FLATS1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH3.500 INCHES NOMINAL
THREAD QUANTITY PER INCH8
THREAD SERIES DESIGNATORUNC


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