NSN 5305-01-256-4457

Part Details | HEXAGON HEAD CAP SCREW

5305-01-256-4457 An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes BOLT,MACHINE; BOLT,EXTERNALLY RELIEVED BODY; BOLT,INTERNAL WRENCHING; and SCREW,CAP,SOCKET HEAD.

Alternate Parts: 52B10701, 52-B-1070-1, 52B10701, 52B1070-1, 52B10701, 52-B-1070-1, 52B10701, 52-B-1070-1, 050F1100E4340, 5305-01-256-4457, 01-256-4457, 5305012564457, 012564457

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 05, 198701-256-445718257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-01-256-4457
Part Number Cage Code Manufacturer
52-B-1070-103111BLISS E W COGULF AND WESTERN MFG CO
52B1070-1Z0K15DEFENCE LIAISON SERVICES PTY LTD
52-B-1070-121439ENGINEERED ARRESTING SYSTEMSCORPORATION
52-B-1070-106GF2R & R INDUSTRIES LTD INC
050F1100E43400PL77RAINBOW FASTENER INC.
Technical Data | NSN 5305-01-256-4457
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
THREAD LENGTH0.484 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
FASTENER LENGTH10.828 INCHES MINIMUM AND 10.875 INCHES MAXIMUM
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.250 INCHES NOMINAL
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL