5305-00-808-5839 SCREW,CAP,HEXAGON HEAD Index 5310-00-808-5842 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5305-00-808-5841

Federal Supply Class:
5305

National Item Identification Number:
008085841

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:
1476493PC810001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
M60CR420-16E26233NYLOK LLC
NK60CR420-16E26233NYLOK LLC
NM160CR420K16E26233NYLOK LLC


Techincal Specification:
FASTENER LENGTH1.000 INCHES NOMINAL
HEAD DIAMETER0.371 INCHES NOMINAL
HEAD HEIGHT0.247 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.188 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.875 INCHES MINIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH20


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