NSN 5305-01-254-1358

Part Details | SOCKET HEAD CAP SCREW

5305-01-254-1358 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: FFS92, FF-S-92, MS35190290L, MS35190-290L, MS35190290L, MS35190-290L, 5305-01-254-1358, 01-254-1358, 5305012541358, 012541358

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 01, 198701-254-135816282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-254-1358
Part Number Cage Code Manufacturer
FF-S-9281348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS35190-290L96906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS35190-290L80205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-01-254-1358
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.591 INCHES MINIMUM AND 0.722 INCHES MAXIMUM
FASTENER LENGTH0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 2C STYLE