NAS1831H5C12

View detailed technical data, stock status, and sourcing information for: NAS1831H5C12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-459-4251

Item Name Code

40280

Assigment Date

10/01/1998 (27 years ago)

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.

2b left internal (includes thru thread) thread class, right-hand right internal thread direction, right-hand left internal (includes thru thread) thread direction, 0.3750 inches nominal right internal thread length, 2b right internal thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2b left internal (includes thru thread)
Thread Class: 2b right internal
Thread Direction: right-hand right internal
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.3750 inches nominal right internal
Thread Length: 0.3750 inches nominal left internal (includes thru thread)
Length: 0.7450 inches minimum and 0.7550 inches maximum
Cross-Sectional Shape: hexagon
Width Across Flats: 0.3070 inches minimum and 0.3190 inches maximum
Thread Quantity Per Inch: 32 left internal (includes thru thread)
Thread Quantity Per Inch: 32 right internal
Nominal Thread Size: 0.1380 inches left internal (includes thru thread)
Nominal Thread Size: 0.1380 inches right internal
Material: plastic polyhexamethylene adipamide standoff
Material Document And Classification: l-p-410, comp. 6/6 mil spec single material response standoff
Style Designator: left internal and right internal threads
Thread Series Designator: unc left internal (includes thru thread)
Thread Series Designator: unc right internal

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
NAS1831H5C12	Spacing Threaded Standoff

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5340-01-459-4251?

The FSCG of the NSN 5340-01-459-4251 is 5340

Does NSN 5340-01-459-4251 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5340-01-459-4251 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-459-4251 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-01-459-4251 was assigned to the Federal Catalog?

It was assigned 27 years ago, on Thu, Oct 1, 1998