1270-00-011-8961 MOUNT Index 5960-00-011-8969 ELECTRON TUBE

National Stock Number:
5305-00-011-8968

Federal Supply Class:
5305

National Item Identification Number:
000118968

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:
FFS85TYPE2STYLE10PGRADE281348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
THREAD LENGTH1.000 INCHES MINIMUM
FASTENER LENGTH2.750 INCHES NOMINAL
MATERIALSTEEL OVERALL
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
SURFACE TREATMENTPHOSPHATE OVERALL
HARDNESS RATING100.0 ROCKWELL B MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH69000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.226 INCHES MINIMUM AND
0.243 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND
0.563 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
10P STYLE AND
2 GRADE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFFS85TYPE2STYLE10PGRADE2


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