5305-01-309-7054 SCREW,CAP,HEXAGON HEAD Index 5305-01-309-7056 SCREW,SHOULDER

National Stock Number:
5305-01-309-7055

Federal Supply Class:
5305

National Item Identification Number:
013097055

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
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. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
6242860-153711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
THREAD SERIES DESIGNATORUNC
THREAD LENGTH1.750 INCHES NOMINAL
FASTENER LENGTH1.875 INCHES NOMINAL
MATERIALSTEEL COMP 301 OR
STEEL COMP 302 OR
STEEL COMP 302B OR
STEEL COMP 303 OR
STEEL COMP 303SE OR
STEEL COMP 304 OR
STEEL COMP 304L OR
STEEL COMP 305 OR
STEEL COMP 308 OR
STEEL COMP 309 OR
STEEL COMP 309S OR
STEEL COMP 310 OR
STEEL COMP 310S OR
STEEL COMP 314 OR
STEEL COMP 316 OR
STEEL COMP 316L OR
STEEL COMP 317 OR
STEEL COMP 321 OR
STEEL COMP 347 OR
STEEL COMP 348 OR
STEEL COMP 384 OR
STEEL COMP 385 OVERALL
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2A
SURFACE TREATMENTCERAMIC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-81751,TY 1 CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
COLORGRAY/GREY OVERALL
HEAD HEIGHT0.226 INCHES MINIMUM AND
0.243 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.5510 INCHES MINIMUM AND
0.5625 INCHES MAXIMUM


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