PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 56-78-1
56-78-1 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include body_width: 2.700 INCHES MAXIMUM IN, body_height: 1.750 INCHES NOMINAL IN, body_length: 3.000 INCHES NOMINAL IN, inclosure_type: OPEN, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-011-9264, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
56-78-1
NSN: 5950-01-011-9264
FSC: 5950
CAGE: 21562 — GENERAL DYNAMICS OTS (AEROSPACE), INC. DBA GENERAL DYNAMICS ORDINANCE AND TACTICAL SYSTEMS DIV SEATTLE OPERATIONS (USA)
SPECIFICATIONS
body_width2.700 INCHES MAXIMUM IN
body_height1.750 INCHES NOMINAL IN
body_length3.000 INCHES NOMINAL IN
inclosure_typeOPEN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.188 INCHES NOMINAL SINGLE GROUP IN
winding_operating_current223.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
winding_operating_voltage70.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
mounting_facility_quantity2 SINGLE GROUP
terminal_type_and_quantity8 WIRE LEAD
NSN5950-01-011-9264
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN 56-78-1 MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
WINDING OPERATING VOLTAGE: 110.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
•
WINDING OPERATING CURRENT: 223.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
•
INCLOSURE TYPE: OPEN
•
FREQUENCY RATING: 400.0 HERTZ NOMINAL SINGLE COMPONENT
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
•
MOUNTING HOLE DIAMETER: 0.188 INCHES NOMINAL SINGLE GROUP IN
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
WINDING OPERATING VOLTAGE110.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
WINDING OPERATING CURRENT223.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
INCLOSURE TYPEOPEN
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
MOUNTING HOLE DIAMETER0.188 INCHES NOMINAL SINGLE GROUP IN
WINDING OPERATING VOLTAGE70.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
BODY LENGTH3.000 INCHES NOMINAL IN
MOUNTING FACILITY QUANTITY2 SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
5678Interchangeable
interchangeable cross-reference
interchangeable
MIL-E-1/281Interchangeable
interchangeable cross-reference
interchangeable
MILE1TYPE5678Interchangeable
interchangeable cross-reference
interchangeable
LS584Interchangeable
interchangeable cross-reference
interchangeable
V495Interchangeable
interchangeable cross-reference
interchangeable
4908512-0Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 56-78-1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 56-78-1?
56-78-1 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 56-78-1?
There are 10 known substitutes for 56-78-1: 5678, MIL-E-1/281, MILE1TYPE5678 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 56-78-1?
56-78-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-011-9264. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 56-78-1

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026