5340-01-293-1177 STANDOFF,THREADED,SPACING Index 5340-01-293-1179 STANDOFF,THREADED,SPACING

National Stock Number:
5340-01-293-1178

Federal Supply Class:
5340

National Item Identification Number:
012931178

Description:
STANDOFF,THREADED,SPACING

Detail:
A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see STUD (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see NUT (as modified); use maximum dimensions(s) for compliance.


Manufacturer Information:
10154139A486GNIMIKKEISTOKESKUS NCB FINLAND
ST4M138-04-4404169ATLAS CORP WESTERN SKY INDUSTRIES DIV
ST4M138-04-4476301THE BOEING COMPANY


Techincal Specification:
CROSS-SECTIONAL SHAPEHEXAGON
LENGTH4.390 INCHES MINIMUM AND 4.410 INCHES MAXIMUM
SPECIAL FEATURESTWO HELICAL COIL INSERTS REQUIRED P/N MS21209C0420
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL


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