NSN 5305-00-281-1691

Part Details | HEXAGON HEAD CAP SCREW

5305-00-281-1691 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: 100148, 4683A, 4683A, 4683A, 5305-00-281-1691, 00-281-1691, 5305002811691, 002811691

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196100-281-169118257 ( SCREW, CAP, HEXAGON HEAD )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5305-00-281-1691
Part Number Cage Code Manufacturer
10014821450ARMY WEAPONS COMMANDATTN AMSWE-REE-S
4683A1ML14BRINKLEY TECHNOLOGY GROUP, LLCDBA HERCULES ENGINE COMPONENTS
4683A28265HERCULES ENGINE CO INC
4683A54845HOIST LIFTRUCK MFG INC
Technical Data | NSN 5305-00-281-1691
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
THREAD LENGTH1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
FASTENER LENGTH1.500 INCHES NOMINAL
HEAD STYLE HEXAGON
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH14
THREAD CLASS2A
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH55000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
SPECIAL FEATURESSECOND REPLY MINIMUM TENSILE STRENGTH 69000 LBS PER SQ IN.