4820-00-835-1537 VALVE,BALL Index 5305-00-835-1556 THUMBSCREW

National Stock Number:
5305-00-835-1539

Federal Supply Class:
5305

National Item Identification Number:
008351539

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:
1486137-1610001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
H66916020736090LOCKHEED MARTIN LIBRASCOPE CORP
LP57U26J703038LONG-LOK, LLC
M60CR256-2E26233NYLOK LLC


Techincal Specification:
FASTENER LENGTH0.438 INCHES NOMINAL
HEAD DIAMETER0.134 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD HEIGHT0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET OR STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
NOMINAL THREAD DIAMETER0.086 INCHES
WIDTH ACROSS FLATS0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.438 INCHES MINIMUM
THREAD QUANTITY PER INCH56
THREAD SERIES DESIGNATORUNC


Click here to Register for Free 30-day Trial