Spacing Threaded Standoff

M1257-2545-SS

M1257-2545-SS
(NSN) National Stock Number
5340-01-624-2309
Federal Supply Classification
5340 Commercial Hardware
Item Name Code
40280
Schedule B Code
-
Summary

Right-hand left internal (includes thru thread) thread direction, 10.0 millimeters nominal left internal (includes thru thread) thread length, 10.0 millimeters nominal length, hexagon cross-sectional shape, 4.5 millimeters nominal width across flats, 2.5 millimeters left internal (includes thru thread) nominal thread size

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 Direction
right-hand left internal (includes thru thread)
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
10.0 millimeters 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
10.0 millimeters nominal
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
4.5 millimeters nominal
Details The shortest straight line between flats,perpendicular to the height.
Nominal Thread Size
2.5 millimeters left internal (includes thru thread)
Details A designation that is used for the purpose of general identification of the thread.
Thread Pitch In Millimeters
0.45 left internal (includes thru thread)
Details A measurement of distance between corresponding points on two adjacent threads measured parallel to the thread axis,expressed in millimeters.
Thread Tolerance Class
6h/6g internal left internal (includes thru thread)
Details A numeric-alpha designator indicating established pitch and crest diameter tolerance position and grade.
Part Name Assigned By Controlling Agency
hex female standoff
Details The name assigned to the item by the government agency or commercial organization controlling the design of the item.
Material
steel corrosion resisting overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
internally threaded full length
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Thread Series Designator
m left internal (includes thru thread)
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.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
P A 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
MATTHEW WARREN, INC DBA RAF ELECTRONIC HARDWARE DIV RAF ELECTRONIC HARDWARE, LLC
CAGE: 55566
SEYMOUR , CT , 06483-3915
UNITED STATES
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FAQs
Frequently asked questions for NSN 5340-01-624-2309
What is the NIIN of the NSN 5340-01-624-2309?
The National Item Identification Number (NIIN) of the NSN 5340-01-624-2309 is 01-624-2309
When the NSN 5340-01-624-2309 was assigned to the Federal Catalog?
It was assigned 10 years ago, on Thu, Dec 19, 2013
Does the NSN 5340-01-624-2309 contain any precious metals?
Does not contain precious metal
Does the NSN 5340-01-624-2309 contain any hazardous material?
No information in HMIRS
What is the ESD classification of NSN 5340-01-624-2309?
No known electrostatic discharge

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