NSN 5305-00-988-7843

Part Details | SOCKET HEAD CAP SCREW

5305-00-988-7843 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.

Alternate Parts: FFS86, FF-S-86, MS1699569, MS16995-69, MS1699569, MS16995-69, 003007868069, 003-007868-069, 5305-00-988-7843, 00-988-7843, 5305009887843, 009887843

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196200-988-784316282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-988-7843
Part Number Cage Code Manufacturer
FF-S-8681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS16995-6996906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS16995-6980205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
003-007868-06926916NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MULTIPLE
Technical Data | NSN 5305-00-988-7843
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.085 INCHES MINIMUM AND 1.403 INCHES MAXIMUM
FASTENER LENGTH1.710 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH30000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
HEAD HEIGHT0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA6 TYPE