Spacing Threaded Standoff

844-524

844-524
(NSN) National Stock Number
5340-00-390-0512
Federal Supply Classification
5340 Commercial Hardware
Item Name Code
40280
Schedule B Code
7318190000
Summary

Right-hand right external thread direction, 0.370 inches nominal right external thread length, 0.380 inches nominal left internal (includes thru thread) thread length, 0.875 inches minimum and 0.885 inches maximum length, hexagon cross-sectional shape, 0.250 inches nominal width across flats

DAC HCC DMIL RNCC
5 - - 5
RNVC SADC MSDS RNAAC
2 - - KE
Identification

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.

INC FIIG Concept Condition
40280 A08900 1 1
Specifications
Thread Direction
right-hand right external
Details The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
Thread Length
0.370 inches nominal right external
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Thread Length
0.380 inches nominal left internal (includes thru thread)
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Length
0.875 inches minimum and 0.885 inches maximum
Details A measurement of the longest dimension of any object,in distinction from width.
Cross-Sectional Shape
hexagon
Details The geometric configuration of the item when viewed in cross section.
Width Across Flats
0.250 inches nominal
Details The shortest straight line between flats,perpendicular to the height.
Nominal Thread Size
0.164 inches right external
Details A designation that is used for the purpose of general identification of the thread.
Right Projection Diameter
0.164 inches nominal
Details None.
Right Projection Length
0.430 inches nominal
Details None.
Special Features
thread info is the same for the internal and external threads
Details Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.
Material
steel comp 303 overall or steel comp 303se overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
left internal and right external thread
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Thread Series Designator
unc right external
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
947170-524 82577 2 - 3 2 - KE
8158-524 16258 5 - 5 9 - KE
8158-524 52525 5 - 5 2 - KE
DPR366-524 61081 5 - 5 9 - ZZ
DPR366-524 62372 5 - 5 9 - KZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
P A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
49790 - Q -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
LTA/D-CEMCO INC DBA D-CEMCO
CAGE: 21355
SAN FERNANDO , CA , 91340-2524
UNITED STATES
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FAQs
Frequently asked questions for NSN 5340-00-390-0512
What is the NIIN of the NSN 5340-00-390-0512?
The National Item Identification Number (NIIN) of the NSN 5340-00-390-0512 is 00-390-0512
When the NSN 5340-00-390-0512 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Thu, Mar 28, 1974
Does the NSN 5340-00-390-0512 contain any precious metals?
Does not contain precious metal
Does the NSN 5340-00-390-0512 contain any hazardous material?
No information in HMIRS

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