143H-SS-2.75-12

View detailed technical data, stock status, and sourcing information for: 143H-SS-2.75-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-509-0888

Item Name Code

40280

Assigment Date

06/11/2003 (23 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

0.375 inches nominal left internal (includes thru thread) thread length, right-hand left internal (includes thru thread) thread direction, 2.750 inches nominal length, 0.375 inches nominal right internal thread length, right-hand right internal thread direction

Product Characteristics

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

Thread Direction: right-hand right internal
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.375 inches nominal left internal (includes thru thread)
Thread Length: 0.375 inches nominal right internal
Length: 2.750 inches nominal
Cross-Sectional Shape: hexagon
Width Across Flats: 0.438 inches nominal
Thread Quantity Per Inch: 32 left internal (includes thru thread)
Thread Quantity Per Inch: 32 right internal
Nominal Thread Size: 6.000 inches left internal (includes thru thread)
Nominal Thread Size: 6.000 inches right internal
Material: steel corrosion resisting overall
Style Designator: left internal and right internal threads

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
14230H-SS-2.75-12	Spacing Threaded Standoff
143H-SS-2.75-12	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-509-0888?

The FSCG of the NSN 5340-01-509-0888 is 5340

Does NSN 5340-01-509-0888 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 5340-01-509-0888 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-509-0888 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 5340-01-509-0888 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Wed, Jun 11, 2003