NSN 5305-01-417-4639

Part Details | SOCKET HEAD CAP SCREW

5305-01-417-4639 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: H631U001 ITEM 32, MS2466729ZL, MS24667-29ZL, MS2466729ZL, MS24667-29ZL, 5305-01-417-4639, 01-417-4639, 5305014174639, 014174639

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 08, 199501-417-463916282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HEXAGON

Cross Reference | NSN 5305-01-417-4639
Part Number Cage Code Manufacturer
H631U001 ITEM 3298523JERED LLCDBA PAR
MS24667-29ZL96906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS24667-29ZL80205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5305-01-417-4639
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
FASTENER LENGTH0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HEAD STYLE0 HEXAGON COUNTERSUNK
HEAD DIAMETER0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.163 INCHES NOMINAL