Spacing Threaded Standoff

721-8217295-42

721-8217295-42
(NSN) National Stock Number
5340-01-629-3257
Federal Supply Classification
5340 Commercial Hardware
Item Name Code
40280
Schedule B Code
-
Summary

3b right internal thread class, right-hand right internal thread direction, 0.370 inches nominal right internal thread length, 0.380 inches nominal length, 0.750 inches nominal cross-sectional length, bracket assembly end item identification

DAC HCC DMIL RNCC
1 - - 3
RNVC SADC MSDS RNAAC
2 - - ZZ
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 Class
3b right internal
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Direction
right-hand right internal
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 internal
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Length
0.380 inches nominal
Details A measurement of the longest dimension of any object,in distinction from width.
Cross-Sectional Length
0.750 inches nominal
Details A measurement of the longest dimension of the cross section,in distinction from width.
End Item Identification
bracket assembly
Details The national stock number or the identification information of the end equipment for which the item is a part.
Cross-Sectional Shape
hexagon
Details The geometric configuration of the item when viewed in cross section.
Width Across Flats
0.750 inches nominal
Details The shortest straight line between flats,perpendicular to the height.
Thread Quantity Per Inch
16 right internal
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Nominal Thread Size
0.375 inches right internal
Details A designation that is used for the purpose of general identification of the thread.
Part Name Assigned By Controlling Agency
nut, hex stop
Details The name assigned to the item by the government agency or commercial organization controlling the design of the item.
Material
nickel alloy 400 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
qq-n-281, cl-a fed spec single material response overall
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
H861-8000-42 96169 3 - 5 2 - ZZ
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 - W -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
NAVAL SEA SYSTEMS COMMAND
CAGE: 53711
WASHINGTON NAVY YARD , DC , 20376
UNITED STATES
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FAQs
Frequently asked questions for NSN 5340-01-629-3257
What is the NIIN of the NSN 5340-01-629-3257?
The National Item Identification Number (NIIN) of the NSN 5340-01-629-3257 is 01-629-3257
When the NSN 5340-01-629-3257 was assigned to the Federal Catalog?
It was assigned 10 years ago, on Wed, Jun 25, 2014
Does the NSN 5340-01-629-3257 contain any precious metals?
Does not contain precious metal
Does the NSN 5340-01-629-3257 contain any hazardous material?
No information in HMIRS

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