MX1899U

View detailed technical data, stock status, and sourcing information for: MX1899U
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5935 Electrical Connectors

National Stock Number

5935-00-644-7808

Item Name Code

67169

Assigment Date

01/01/1963 (63 years ago)

An adapter with electrical contacts which provides facilities for joining two or more electrical connectors, whose design or function will not normally warrant their junction. It is not designed for permanent attachment to a cable, cord, coaxial line, or wire. The physical shape of an electrical connector should not be the determining factor of its name. Tee, angle, straight, and y-shaped adapters are all adapter, connector. Excludes:adapter, connector to lampbase; adapter, lampholder to connector; adapter (1), cable clamp to connector; and adapter, lampholder. For items designed as a mechanical connection between an electrical conduit and an electrical connector, see adapter (1), electrical conduit.

0.185 inches minimum and 0.195 inches maximum cable opening diameter, 2b thread class, right-hand thread direction, 0.620 inches minimum and 0.630 inches maximum overall diameter, 0.995 inches minimum and 1.005 inches maximum overall 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: 2b
Thread Direction: right-hand
Overall Length: 0.995 inches minimum and 1.005 inches maximum
Overall Diameter: 0.620 inches minimum and 0.630 inches maximum
Cable Opening Diameter: 0.185 inches minimum and 0.195 inches maximum
Cable Opening Quantity: 1
Mounting Facility Type And Quantity: 1 threaded coupling
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.625 inches
Material: copper alloy
Surface Treatment: silver
Style Designator: r.f. threaded
Thread Series Designator: unef

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
MX1899U	Electrical Connector Backshell
REB49025	Electrical Connector Backshell

FAQs

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

What is the FSCG of the NSN 5935-00-644-7808?

The FSCG of the NSN 5935-00-644-7808 is 5935

Does the NSN 5935-00-644-7808 have a Schedule B code assigned?

Yes, the Schedule B code is 8548900100

Does NSN 5935-00-644-7808 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 5935-00-644-7808 contain precious materials?

Item contains silver.

Does NSN 5935-00-644-7808 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 5935-00-644-7808 was assigned to the Federal Catalog?

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