2825-00-900-3789 BELLOWS ASSEMBLY Index 5342-00-900-3792 EXPANDER,SCREW

National Stock Number:
5305-00-900-3791

Federal Supply Class:
5305

National Item Identification Number:
009003791

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:
254002010001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
COUNTERSINK ANGLE20.0 DEGREES NOMINAL
FASTENER LENGTH0.614 INCHES NOMINAL
HEAD DIAMETER0.228 INCHES MINIMUM AND 0.232 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 630 OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.164 INCHES
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.327 INCHES MINIMUM AND 0.389 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM


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