NSN 5305-01-298-6981

Part Details | SOCKET HEAD CAP SCREW

5305-01-298-6981 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, 629338660, 6293386-60, 516629338660, 516-6293386-60, 680996742, 6809967-42, 5305-01-298-6981, 01-298-6981, 5305012986981, 012986981

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 20, 198901-298-698116282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-298-6981
Part Number Cage Code Manufacturer
FF-S-8681349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
6293386-6053711NAVAL SEA SYSTEMS COMMAND
516-6293386-6053711NAVAL SEA SYSTEMS COMMAND
6809967-42D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 5305-01-298-6981
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH13
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH2.846 INCHES MINIMUM AND 3.000 INCHES MAXIMUM
FASTENER LENGTH3.000 INCHES NOMINAL
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.375 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATA6 TYPE