MS3451W20-27SY

View detailed technical data, stock status, and sourcing information for: MS3451W20-27SY
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5935 Electrical Connectors

National Stock Number

5935-01-234-9647

Item Name Code

15093

Assigment Date

06/23/1986 (40 years ago)

An electrical fitting with electrical contacts constructed to be affixed to the end of a cable, conduit, coaxial line, cord, wire (includes printed/etched), printed wiring board, or the like for convenience in joining with another electrical connector or printed wiring board. It is designed to be mounted on a bulkhead, chassis, panel, wall, printed wiring board, or the like. Excludes:lampholder; jack,telephone; jack,tip; insert electrical connector; insert module,electrical connector; connector body (as modified) and socket,plug-in electronic components. See also wiring harness (as modified) and cable assembly (as modified). For items with termination wires of more than four inches in length, see lead assembly,electrical. For items without inserts, see shell,electrical connector.

straight shape, external coupling body style, right-hand thread direction, 2.125 inches maximum overall length, 1.443 inches minimum and 1.505 inches maximum overall diameter, 2a thread class

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Body Style: straight shape, external coupling
Overall Length: 2.125 inches maximum
Overall Diameter: 1.443 inches minimum and 1.505 inches maximum
Environmental Protection: moisture proof and salt water resistant and vibration proof
Threaded Device Type: back shell and coupling facility
Mating End Quantity: 1
Contact Position Arrangement Style: 20-27 single mating end
Contact Removability: removable single mating end single contact grouping
Contact Maximum Current Rating In Amps: 22.0 single mating end single contact grouping
Contact Maximum Ac Voltage Rating In Volts: 500.0 single mating end single contact grouping
Contact Maximum Dc Voltage Rating In Volts: 700.0 single mating end single contact grouping
Polarization Method: keyway or multiple keyway
Insert Position In Deg: 110.0
Shell Type: solid
Connector Locking Method: externally threaded shell
Nominal Thread Length: 0.290 inches and 0.375 inches
Thread Quantity Per Inch: 18
Nominal Thread Size: 1.312 inches and 1.375 inches
Terminal Location: back single mating end single contact grouping
Contact Material: copper alloy single mating end single contact grouping
Contact Surface Treatment: gold single mating end single contact grouping
Insert Material: rubber silicone class q single mating end
Contact Surface Treatment Document And Classification: mil-g-45204 mil spec single treatment response single mating end single contact grouping
Terminal Type: crimp single mating end single contact grouping
Shell Material: aluminum alloy
Shell Surface Treatment: cadmium and chromate
Shell Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec all treatment responses
Included Contact Quantity: 14 single mating end single contact grouping
Included Contact Type: round socket single mating end single contact grouping
Precious Material And Location: contact surfaces gold
Precious Material And Weight: 0.014 gold grains, troy
Precious Material: gold
Test Data Document: "81349-mil-c-5015 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Thread Series Designator: unef
Specification/Standard Data: 96906-ms3451 government standard

Replaces National Stock Numbers

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

NSN	Name	Date
5935-01-025-2743	No Name Available	06/01/1992

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
MS3451W20-27SY	Electrical Receptacle Connector

FAQs

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

What is the FSCG of the NSN 5935-01-234-9647?

The FSCG of the NSN 5935-01-234-9647 is 5935

Does the NSN 5935-01-234-9647 have a Schedule B code assigned?

Yes, the Schedule B code is 8538907080

Does NSN 5935-01-234-9647 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 5935-01-234-9647 contain precious materials?

Item contains gold.

Does NSN 5935-01-234-9647 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 5935-01-234-9647 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Mon, Jun 23, 1986