MAS1831AC3B16

View detailed technical data, stock status, and sourcing information for: MAS1831AC3B16
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-568-8988

Item Name Code

40280

Assigment Date

11/13/2008 (17 years ago)

A headless, cylindrically-shaped item, having external threads at one end only. The threaded and plain portions are of one nominal diameter. Includes items having cotter pin hole(s) on either one or both ends. Its length must not exceed 12 inches (304 mm). It may have a recess drive feature. See also pin, straight, headless. Excludes:stud, welding; and setscrew.

right-hand right internal thread direction, 3a left internal (includes thru thread) thread class, right-hand left internal (includes thru thread) thread direction, 3a right internal thread class, 0.250 inches minimum left internal (includes thru thread) thread length

Product Characteristics

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

Thread Class: 3a left internal (includes thru thread)
Thread Class: 3a right internal
Thread Direction: right-hand right internal
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.250 inches minimum left internal (includes thru thread)
Thread Length: 0.250 inches minimum right internal
Length: 1.000 inches nominal
End Item Identification: a-10 aircraft
Cross-Sectional Shape: hexagon
Width Across Flats: 0.188 inches nominal
Thread Quantity Per Inch: 40 left internal (includes thru thread)
Thread Quantity Per Inch: 40 right internal
Nominal Thread Size: 0.112 inches left internal (includes thru thread)
Nominal Thread Size: 0.112 inches right internal
Part Name Assigned By Controlling Agency: post,electrical mechanical equipment
Material: aluminum alloy overall
Material Document And Classification: qq-a-250/8 fed spec single material response overall
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
MAS1831AC3B16	Spacing Threaded Standoff
NAS1831AC3B16	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-568-8988?

The FSCG of the NSN 5340-01-568-8988 is 5340

Does NSN 5340-01-568-8988 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 5340-01-568-8988 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-568-8988 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 5340-01-568-8988 was assigned to the Federal Catalog?

It was assigned 17 years ago, on Thu, Nov 13, 2008