PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

743998-2Transformer,power

L3 Technologies, Inc. Div Communication Systems-East · NSN 5950-00-648-6318 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-648-6318 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-648-6318. Primary manufacturer part number: 743998-2.
Features
  • Transformer,power — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Inclosure Type: HERMETICALLY SEALED
  • Terminal Type and Quantity: 14 STANDOFF INSULATOR
  • Body Height: 4.562 INCHES MAXIMUM IN
  • Body Width: 3.531 INCHES MAXIMUM IN
  • Frequency Rating: 380.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-648-6318, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-648-6318
Primary Part Number743998-2
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div Communication Systems-East
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Width2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeHERMETICALLY SEALED
Terminal Type and Quantity14 STANDOFF INSULATOR
Body Height4.562 INCHES MAXIMUM IN
Body Width3.531 INCHES MAXIMUM IN
Frequency Rating380.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
Body Length4.125 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4110-00-005-5290 INTERCHANGEABLE
Refrigerator-Freezer,mechanical,
3040-00-161-21041785 INTERCHANGEABLE
Shaft,shouldered
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5330-00-374-3151QD613C INTERCHANGEABLE
Gasket
Wisconsin Motors, Llc
5950-00-617-40281785 INTERCHANGEABLE
Transformer,power
Emcore Corporation Div Concord Division
5940-00-842-2917707-5020 INTERCHANGEABLE
Terminal Board
Concord Electronics, Inc.
6505-00-926-8985NDC00031-8684-12 INTERCHANGEABLE
Dextromethorphan Hydrobromide an
Robins a H Co Inc Government Sales
5945-00-968-4847 INTERCHANGEABLE
Chopper,electronic
5975-00-999-4281HBL1785 INTERCHANGEABLE
Plate,wall,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
7420-01-074-4145 INTERCHANGEABLE
Calculator,electronic
5930-01-212-95791785 INTERCHANGEABLE
Switch,push
Edwards Signaling and Security Systems a Part of Ge Security
Cross-Reference Index
Part NumberManufacturer
743998-2 PRIMARY L3 Technologies, Inc. Div Communication Systems-East (USA)
262-000-063 Dare Electronics, Inc. (USA)
1785 Precision Electronics, Inc (USA)
743998-2 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
Related Parts
4110-00-005-5290INTERCHANGEABLE
REFRIGERATOR-FREEZER,MECHANICAL,
3040-00-161-2104INTERCHANGEABLE
SHAFT,SHOULDERED
1785
5330-00-374-3151INTERCHANGEABLE
GASKET
QD613C
5950-00-617-4028INTERCHANGEABLE
TRANSFORMER,POWER
1785
5940-00-842-2917INTERCHANGEABLE
TERMINAL BOARD
707-5020
6505-00-926-8985INTERCHANGEABLE
DEXTROMETHORPHAN HYDROBROMIDE AN
NDC00031-8684-12
5945-00-968-4847INTERCHANGEABLE
CHOPPER,ELECTRONIC
5975-00-999-4281INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
HBL1785
7420-01-074-4145INTERCHANGEABLE
CALCULATOR,ELECTRONIC
5930-01-212-9579INTERCHANGEABLE
SWITCH,PUSH
1785
6640-01-370-5850INTERCHANGEABLE
FILTER UNIT,MICROPOROUS
1785
6515-01-652-3715INTERCHANGEABLE
FORCEPS,SPLINTER
1785

Frequently Asked Questions

What is NSN 5950-00-648-6318?

NSN 5950-00-648-6318 is a Transformer,power, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-648-6318?

NSN 5950-00-648-6318 has 4 cross-referenced part numbers: 743998-2 (L3 Technologies, Inc. Div Communication Systems-East), 262-000-063 (Dare Electronics, Inc.), 1785 (Precision Electronics, Inc), 743998-2 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin).

What NSN replaces 5950-00-648-6318?

There are 12 known substitutes for 5950-00-648-6318: 4110-00-005-5290, 3040-00-161-2104, 5330-00-374-3151 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 743998-2?

Key specifications for 743998-2: Center to Center Distance Between Mounting Facilities Parallel to Width: 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Inclosure Type: HERMETICALLY SEALED; Terminal Type and Quantity: 14 STANDOFF INSULATOR; Body Height: 4.562 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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