NSN 5340-00-457-9255
Part Details | SPACING THREADED STANDOFF
5340-00-457-9255 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: 4575689, 457-5689, 10190484, 5340-00-457-9255, 00-457-9255, 5340004579255, 004579255
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | APR 30, 1969 | 00-457-9255 | 40280 ( STANDOFF, THREADED, SPACING ) |
REFERENCE DRAWINGS & PICTURES
GROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD

Cross Reference | NSN 5340-00-457-9255
Part Number | Cage Code | Manufacturer |
---|---|---|
457-5689 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
10190484 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 5340-00-457-9255
Characteristic | Specifications |
---|---|
CROSS-SECTIONAL SHAPE | HEXAGON |
WIDTH ACROSS FLATS | 0.614 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |
STYLE DESIGNATOR | GROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
GROOVE DIAMETER | 0.374 INCHES NOMINAL |
GROOVE WIDTH | 0.125 INCHES NOMINAL |
END RADIUS | 0.156 INCHES NOMINAL |
LENGTH | 0.625 INCHES NOMINAL |
DISTANCE FROM END TO GROOVE | 0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM |
SMALLER GROOVE RADIUS | 0.010 INCHES NOMINAL |
SMALLER GROOVE DIAMETER | 0.314 INCHES MINIMUM AND 0.324 INCHES MAXIMUM |