4140-01-506-5810 FAN ASSEMBLY,CENTRIFUGAL Index 1560-01-506-5814 SUPPORT,STRUCTURAL COMPONENT,AIR

National Stock Number:
5305-01-506-5812

Federal Supply Class:
5305

National Item Identification Number:
015065812

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:
6390822-31131442NORTHROP GRUMMAN SYSTEMS CORPORATION
6390822-31153711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH2.031 INCHES MINIMUM AND 2.079 INCHES MAXIMUM
HEAD DIAMETER0.562 INCHES NOMINAL
HEAD HEIGHT0.375 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-1222;GRADE T-7;6AL-4V (ELI) ANNEALED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY UNS R56400 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.375 INCHES
SPECIAL FEATURESDISTRIBUTION STATEMENT D - DATA EXPORT RESTRICTED
WIDTH ACROSS FLATS0.312 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2488B;TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.672 INCHES NOMINAL
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNC


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