NSN 5340-01-255-5149

Part Details | SPACING THREADED STANDOFF

5340-01-255-5149 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.

Alternate Parts: ST4M1380832, ST4M138-08-32, ST4M1380832, ST4M138-08-32, 5340-01-255-5149, 01-255-5149, 5340012555149, 012555149

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 21, 198701-255-514940280 ( STANDOFF, THREADED, SPACING )
REFERENCE DRAWINGS & PICTURES

LEFT INTERNAL AND RIGHT INTERNAL THREADS

Cross Reference | NSN 5340-01-255-5149
Part Number Cage Code Manufacturer
ST4M138-08-3204169ATLAS CORPWESTERN SKY INDUSTRIES DIV
ST4M138-08-3276301BOEING COMPANY, THEDBA BOEING
Technical Data | NSN 5340-01-255-5149
Characteristic Specifications
CROSS-SECTIONAL SHAPE HEXAGON
WIDTH ACROSS FLATS0.312 INCHES NOMINAL
STYLE DESIGNATOR LEFT INTERNAL AND RIGHT INTERNAL THREADS
LENGTH3.190 INCHES MINIMUM AND 3.210 INCHES MAXIMUM
SPECIAL FEATURESCOUNTERSUNK 120.0 DEGREES ON EACH END