640458-1

View detailed technical data, stock status, and sourcing information for: 640458-1
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5975 Electrical Hardware and Supplies

National Stock Number

5975-00-834-6812

Item Name Code

06945

Assigment Date

01/01/1962 (64 years ago)

2.500 inches nominal overall diameter, 2.250 inches nominal depth, 2.000 inches nominal cover opening diameter, 0.500 inches all entrance conduit trade size accommodated, explosion proof nec cl.i, gp.cd;cl.ii, gp.efg;cl.iii hazardous locations/environmental protection

Product Characteristics

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

Hazardous Locations/Environmental Protection: explosion proof nec cl.i, gp.cd;cl.ii, gp.efg;cl.iii
Conduit Trade Size Accommodated: 0.500 inches all entrance
Overall Diameter: 2.500 inches nominal
Depth: 2.250 inches nominal
Cover Opening Diameter: 2.000 inches nominal
Conduit Entrance Type: hub drilled and tapped all entrance
Conduit Type Accommodated: rigid metallic thickwall all entrance
Trade Designation: guac series
Cover Mounting Method: external threaded
Cover Mounting Surface Type: flat
Material: iron overall
Surface Treatment: cadmium and zinc overall
Style Designator: round no. 4 2 entrances

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5975-00-817-3558	No Name Available	01/01/1963

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
640458-1	Conduit Outlet
GUAC-50	Conduit Outlet
GUAC14	Conduit Outlet

FAQs

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

What is the FSCG of the NSN 5975-00-834-6812?

The FSCG of the NSN 5975-00-834-6812 is 5975

Does the NSN 5975-00-834-6812 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5975-00-834-6812 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 5975-00-834-6812 contain precious materials?

Item does not contain precious metal.

Does NSN 5975-00-834-6812 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 5975-00-834-6812 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962