5305-01-555-1103 SCREW,CAP,HEXAGON HEAD Index 5305-01-556-9992 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-556-6456

Federal Supply Class:
5305

National Item Identification Number:
015566456

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:
1003802961C19MIL-COTS CORPORATION
12759-005490Y3H3FASTENAL COMPANY
181550Y3H3FASTENAL COMPANY
3821031C1338X5ND DEFENSE LLC


Techincal Specification:
FASTENER LENGTH0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
HEAD HEIGHT0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429, GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT, HEX CAP, 7/16-20 X 1
PROPRIETARY CHARACTERISTICSNPAC
NOMINAL THREAD DIAMETER0.437 INCHES
WIDTH BETWEEN FLATS0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
SURFACE TREATMENTOIL OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES NOMINAL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNF


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