5895-01-378-7953 RECEIVER GROUP Index 5310-01-378-7956 WASHER,SPRING TENSION

National Stock Number:
5306-01-378-7954

Federal Supply Class:
5306

National Item Identification Number:
013787954

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.


Manufacturer Information:
A320A518-1010D0D0BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.
A320A518-1014S599METRO MACHINE PRODUCTS
A320A518-10188818KEARFOTT CORPORATION


Techincal Specification:
EXTENDED WASHER THICKNESS0.030 INCHES NOMINAL
EXTENDED WASHER DIAMETER0.500 INCHES NOMINAL
FASTENER LENGTH0.900 INCHES NOMINAL
GRIP LENGTH0.530 INCHES NOMINAL
HEAD HEIGHT0.190 INCHES NOMINAL
HEAD STYLEHEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 630 OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
WIDTH BETWEEN FLATS0.362 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.370 INCHES NOMINAL
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNC


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