National Instruments SH37F-P-4 Shielded female-to-pigtail I/O cable

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National Instruments · NI I/O connectivity

NI SH37F-P-4

The NI SH37F-P-4 is a shielded I/O cable with a 37-pin female D-SUB connector and bare-wire pigtails for custom connections to supported NI hardware.

ManufacturerNational Instruments

ModelSH37F-P-4

Part Number778620-04

Product TypeShielded female-to-pigtail I/O cable

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Part number778620-04

Device-side connector37-pin female D-SUB

TerminationBare-wire pigtails

ConstructionShielded; not twisted-pair

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Overview

Product overview

Key product information and technical features.

The pigtail termination provides custom wiring access rather than a second mating connector. NI documents this cable among the custom connectivity options for supported 37-pin digital I/O devices.

For wiring identification, NI directs users to the dimensional drawing containing the color-coded wire-to-D-SUB pin assignment table.

37-pin female D-SUB connection.
Shielded cable with bare-wire pigtail termination.
Color-coded pigtail wiring with an official pin-assignment reference.

Verified specifications

Technical data

Verified product specifications.

Manufacturer part number	778620-04
Connector	37-pin female D-SUB
Opposite-end termination	Bare-wire pigtails
Cable shielding	Shielded
Twisted pairing	No

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National Instruments

Manufacturer

37-pin D-SUB I/O

Connection interface

SH37F-P-4

Shielded pigtail cable

Compatibility

The NI 6520/6521 user guide lists SH37F-P-4 as a custom connectivity option for 37-pin NI 6520 devices within the guide's safety-low-voltage limits.

Check the exact module connector, signal pinout and electrical limits before wiring; connector size alone does not establish compatibility.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

SH37F-P-4 Product PageProduct Page · ni.com

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SH37F-P-4 Dimensional DrawingsDimensional Drawing Resource · ni.com

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SH37F-P-4 Product CertificationsCertification Resource · ni.com

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Archived: NI SH37F-P-4 Cable PinoutTechnical resource

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NI 6520/6521 User GuideTechnical resource

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Does the SH37F-P-4 have connectors at both ends?

No. It has a 37-pin female D-SUB connector at one end and bare-wire pigtails at the other.

Where can I find the wire-color pin assignments?

NI's archived cable-pinout article directs users to the SH37F-P-4 dimensional drawings for the color-coded wire-to-D-SUB assignment table.

Is the cable length consistently documented?

No. NI's product page specifies 12 ft, while the NI 6520/6521 user guide identifies the same part number as 4 m. Confirm the physical cable length before planning a cable run.