NSN 5305-00-273-4721

Part Details | SOCKET HEAD CAP SCREW

5305-00-273-4721 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, MS3546128, MS35461-28, 43S4380612, 43-S-4380-612, 417357PC1, 213039PC47, 5305-00-273-4721, 00-273-4721, 5305002734721, 002734721

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-273-472116282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-273-4721
Part Number Cage Code Manufacturer
FFS86TYPE1STYLE1181348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS35461-2896906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
43-S-4380-61210001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
417357PC110001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
213039PC4710001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5305-00-273-4721
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.000 INCHES NOMINAL
FASTENER LENGTH1.500 INCHES NOMINAL
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