SK1139

View detailed technical data, stock status, and sourcing information for: SK1139
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5975 Electrical Hardware and Supplies

National Stock Number

5975-00-497-0289

Item Name Code

12814

Assigment Date

01/01/1963 (63 years ago)

A metallic item, usually square or rectangular in cross section, usually longer in relation to its width and thickness, with or without a head, usually designed to fit into the pre-cut slots of two adjacent cylindrically shaped members, to prevent relative rotational movement between the two. It may have mounting holes or slots.

0.500 inches single end nominal thread size, aluminum alloy material, 27 per inch single end thread quantity, 0.625 inches nominal single end outside diameter, 0.375 inches nominal seat end inside diameter

Product Characteristics

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

Outside Diameter: 0.625 inches nominal single end
Seat End Inside Diameter: 0.375 inches nominal
Nominal Thread Size: 0.500 inches single end
Thread Quantity: 27 per inch single end
Material: aluminum alloy
Style Designator: knurled/ribbed
Thread Series Designator: uns single end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-574-5746	No Name Available	06/01/1976
5826-00-593-4630	No Name Available	12/07/1970

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
2Z3224-2	Electrical Conduit Coupling Nut
2ZA135-2	Electrical Conduit Coupling Nut
2ZA3224-2	Electrical Conduit Coupling Nut
54G411	Electrical Conduit Coupling Nut
67766-55	Electrical Conduit Coupling Nut
SCD2099-1	Electrical Conduit Coupling Nut
SCD3367-2	Electrical Conduit Coupling Nut
SK1139	Electrical Conduit Coupling Nut

FAQs

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

What is the FSCG of the NSN 5975-00-497-0289?

The FSCG of the NSN 5975-00-497-0289 is 5975

Does the NSN 5975-00-497-0289 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5975-00-497-0289 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 5975-00-497-0289 contain precious materials?

Precious metal content is unknown

Does NSN 5975-00-497-0289 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 5975-00-497-0289 was assigned to the Federal Catalog?

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