6-0187

View detailed technical data, stock status, and sourcing information for: 6-0187
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-296-0540

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

An item having internal threads designed to fit the external threads of an electrical conduit or fitting for connecting to a junction box, panel, wireway, or other point of termination, and which, when installed, provides a method of tightening to lock the connection. The items may be either flat-sided or circular in external shape and must have a specific conduit size designation. See bondnut, electrical conduit and locknut, tube fitting. Excludes:nut (1), plain hexagon.

0.515 inches minimum and 0.525 inches maximum nut counterbore diameter, 2b thread class, right-hand thread direction, hexagon nut style, 0.125 inches minimum and 0.145 inches maximum nut height

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
Thread Direction: right-hand
Counterbore Diameter: 0.515 inches minimum and 0.525 inches maximum nut
Nut Style: hexagon
Nut Height: 0.125 inches minimum and 0.145 inches maximum
Width Across Flats: 0.672 inches minimum and 0.703 inches maximum
Thread Series: unef
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.500 inches
Countersink Angle: 90.0 degrees nominal nut
Bearing Surface Type: flat
Material: aluminum alloy 2024 overall
Material Document And Classification: ams 4120 assn std single material response overall
Surface Treatment: cadmium overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-546-7186	No Name Available	03/01/1984

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
301043PT5	Hexagon Plain Nut
6-0187	Hexagon Plain Nut
6-2-3	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-296-0540?

The FSCG of the NSN 5310-00-296-0540 is 5310

Does the NSN 5310-00-296-0540 have a Schedule B code assigned?

Yes, the Schedule B code is 7616995195

Does NSN 5310-00-296-0540 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 5310-00-296-0540 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-296-0540 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-00-296-0540 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963