NSN 5305-00-054-8291

Part Details | SOCKET HEAD CAP SCREW

5305-00-054-8291 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, MS2129565, MS21295-65, MS2129565, MS21295-65, LK2129565, LK21295-65, MS21295, 5305-00-054-8291, 00-054-8291, 5305000548291, 000548291

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 08, 197200-054-829116282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-054-8291
Part Number Cage Code Manufacturer
FFS8681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS21295-6596906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS21295-6580205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
LK21295-6526304TORKON FASTENER CORP
MS21295D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 5305-00-054-8291
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.125 INCHES MINIMUM
FASTENER LENGTH1.235 INCHES MINIMUM AND 1.281 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 0.468 INCHES MAXIMUM
HEAD HEIGHT0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA6 TYPE