MS27656E21B39PA

View detailed technical data, stock status, and sourcing information for: MS27656E21B39PA
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5935 Electrical Connectors

National Stock Number

5935-01-045-1654

Item Name Code

15093

Assigment Date

07/28/1977 (49 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.

1.562 inches nominal overall height, 1.290 inches maximum overall length, 2a thread class, right-hand thread direction, straight shape, external coupling body style

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: 1.290 inches maximum
Overall Height: 1.562 inches nominal
Overall Width: 1.562 inches nominal
Environmental Protection: moisture proof and salt water resistant and vibration resistant
Unthreaded Mounting Hole Diameter: 0.123 inches minimum and 0.138 inches maximum
Center To Center Distance Between Mounting Facilities Parallel To Height: 1.250 inches nominal
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width: 1.250 inches nominal
Distance From Mounting Shoulder To Front Face: 0.785 inches minimum and 0.790 inches maximum
Threaded Device Type: back shell
Mating End Quantity: 1
Contact Position Arrangement Style: 21-39 single mating end
Contact Removability: removable single mating end all contact groupings
Polarization Method: keyway or multiple keyway
Insert Position In Deg: 342.0
Shell Type: solid
Connector Locking Method: bayonet pin
Nominal Thread Length: 0.219 inches
Nominal Thread Size: 1.188 inches
Terminal Location: back single mating end all contact groupings
Contact Material: copper alloy single mating end all contact groupings
Contact Surface Treatment: gold and silver single mating end all contact groupings
Terminal Type: crimp single mating end all contact groupings
Shell Material: aluminum alloy
Shell Surface Treatment: cadmium and chromate
Included Contact Quantity: 2 single mating end 1st contact grouping
Included Contact Quantity: 37 single mating end 2nd contact grouping
Included Contact Type: round pin single mating end all contact groupings
Precious Material And Location: contact surfaces gold and contact surfaces silver
Precious Material And Weight: 0.039 gold grains, troy and 0.039 silver grains, troy
Precious Material: gold and silver
Test Data Document: "81349-mil-c-38999 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: 81349-mil-c-38999 government specification

Replaces National Stock Numbers

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

NSN	Name	Date
5935-01-054-4231	No Name Available	11/01/2007
5935-01-081-3751	No Name Available	08/01/2007

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
LJTP00RT-21-39PA(014)	Electrical Receptacle Connector
MS27656E21B39PA	Electrical Receptacle Connector
MS27656T21B39PA	Electrical Receptacle Connector
MS27656T21F39PA	Electrical Receptacle Connector

FAQs

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

What is the FSCG of the NSN 5935-01-045-1654?

The FSCG of the NSN 5935-01-045-1654 is 5935

Does the NSN 5935-01-045-1654 have a Schedule B code assigned?

Yes, the Schedule B code is 8538907080

Does NSN 5935-01-045-1654 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 5935-01-045-1654 contain precious materials?

Item contains gold.

Does NSN 5935-01-045-1654 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 5935-01-045-1654 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Thu, Jul 28, 1977