NSN 5305-01-204-0985

Part Details | SOCKET HEAD CAP SCREW

5305-01-204-0985 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, MS2129586, MS21295-86, MS2129586, MS21295-86, 417760912, 4177609-12, 5305-01-204-0985, 01-204-0985, 5305012040985, 012040985

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 22, 198501-204-098516282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-204-0985
Part Number Cage Code Manufacturer
FF-S-8681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS21295-8696906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS21295-8680205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
4177609-1205869RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5305-01-204-0985
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.000 INCHES MINIMUM
FASTENER LENGTH1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH30000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.1875 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA6 TYPE