NAS1831AC4B12

View detailed technical data, stock status, and sourcing information for: NAS1831AC4B12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-458-7340

Item Name Code

40280

Assigment Date

09/08/1998 (27 years ago)

2b left internal (includes thru thread) thread class, right-hand left internal (includes thru thread) thread direction, 0.1880 inches nominal left internal (includes thru thread) thread length, right-hand right external thread direction, 2b right external 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 external
Thread Direction: right-hand right external
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.1880 inches nominal left internal (includes thru thread)
Thread Length: 0.1880 inches nominal right external
Length: 0.7450 inches minimum and 0.7550 inches maximum
Cross-Sectional Shape: hexagon
Width Across Flats: 0.2440 inches minimum and 0.2560 inches maximum
Thread Quantity Per Inch: 40 left internal (includes thru thread)
Thread Quantity Per Inch: 40 right external
Nominal Thread Size: 0.1120 inches left internal (includes thru thread)
Nominal Thread Size: 0.1120 inches right external
Material: aluminum alloy 6061 or aluminum alloy 2024 or aluminum alloy 2011 standoff
Material Document And Classification: qq-a-225/8 fed spec single material response or qq-a-225/6 fed spec single material response or qq-a-225/3 assn std single material response standoff
Surface Treatment: anodize standoff
Surface Treatment Document And Classification: mil-a-8625, ty 1, ty2, cl 1 mil spec single treatment response standoff
Style Designator: left internal and right internal threads
Thread Series Designator: unc left internal (includes thru thread)
Thread Series Designator: unc right external

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
NAS1831AC4B12	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-458-7340?

The FSCG of the NSN 5340-01-458-7340 is 5340

Does NSN 5340-01-458-7340 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 5340-01-458-7340 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-458-7340 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 5340-01-458-7340 was assigned to the Federal Catalog?

It was assigned 27 years ago, on Tue, Sep 8, 1998