NSN 5305-00-273-6261

Part Details | SOCKET HEAD CAP SCREW

5305-00-273-6261 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: FFS86TYPE1STYLE11, 345628PC17, 12Z57PC321, 5305-00-273-6261, 00-273-6261, 5305002736261, 002736261

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-273-626116282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-273-6261
Part Number Cage Code Manufacturer
FFS86TYPE1STYLE1181348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
345628PC1710001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
12Z57PC32110001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-00-273-6261
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.500 INCHES NOMINAL
FASTENER LENGTH0.500 INCHES NOMINAL
MINIMUM YIELD STRENGTH140000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.187 INCHES MINIMUM AND 0.189 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 11 STYLE