PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D73ATransformer,power

B G Laboratories Inc. · NSN 5950-00-283-7375 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-283-7375 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-283-7375. Primary manufacturer part number: D73A.
Features
  • Transformer,power — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Mounting Slot Width: 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM SINGLE GROUP IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.485 INCHES MINIMUM AND 2.515 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Length: 3.230 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 13 TAB, SOLDER LUG
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-283-7375, 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 B G Laboratories Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-283-7375
Primary Part NumberD73A
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerB G Laboratories Inc.
StatusACTIVE
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting Slot Width0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM SINGLE GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.485 INCHES MINIMUM AND 2.515 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length3.230 INCHES MAXIMUM IN
Terminal Type and Quantity13 TAB, SOLDER LUG
Body Height2.750 INCHES MAXIMUM IN
Inclosure TypeFULLY INCLOSED
Body Width2.500 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.135 INCHES MINIMUM AND 2.175 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5355-00-139-821594-001 INTERCHANGEABLE
Knob
Conti Industries Inc
4820-00-152-12577025392 INTERCHANGEABLE
Valve,safety Relief
Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
5325-00-171-5950 INTERCHANGEABLE
Grommet,nonmetallic
5815-01-083-9892 INTERCHANGEABLE
Teletypewriter Subassembly
5945-01-126-4658AE104-019-99 INTERCHANGEABLE
Relay,electromagnetic
Dare Electronics, Inc.
4820-01-310-4257PG-9002 ITEM 127 INTERCHANGEABLE
Valve,safety Relief
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
1615-01-424-569194001 INTERCHANGEABLE
Seal,metallic,rotary Wing
Magnetic Seal Llc
8030-01-438-4112 INTERCHANGEABLE
Corrosion Preventive Compound
6130-01-486-2338 INTERCHANGEABLE
Power Conversion Unit,dual Funct
Cross-Reference Index
Part NumberManufacturer
T050-041-0002 L3harris Interstate Electronics Corporation (USA)
94001 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
PAG749 United Transformer Corp Sub of Opt Industries Inc (USA)
D73A PRIMARY B G Laboratories Inc. (USA)
PAG749 PRIMARY Magnetika Inc (USA)
Related Parts
5355-00-139-8215INTERCHANGEABLE
KNOB
94-001
4820-00-152-1257INTERCHANGEABLE
VALVE,SAFETY RELIEF
7025392
5325-00-171-5950INTERCHANGEABLE
GROMMET,NONMETALLIC
5815-01-083-9892INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
5945-01-126-4658INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
AE104-019-99
4820-01-310-4257INTERCHANGEABLE
VALVE,SAFETY RELIEF
PG-9002 ITEM 127
1615-01-424-5691INTERCHANGEABLE
SEAL,METALLIC,ROTARY WING
94001
8030-01-438-4112INTERCHANGEABLE
CORROSION PREVENTIVE COMPOUND
6130-01-486-2338INTERCHANGEABLE
POWER CONVERSION UNIT,DUAL FUNCT

Frequently Asked Questions

What is NSN 5950-00-283-7375?

NSN 5950-00-283-7375 is a Transformer,power, manufactured by B G Laboratories Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-283-7375?

NSN 5950-00-283-7375 has 5 cross-referenced part numbers: T050-041-0002 (L3harris Interstate Electronics Corporation), 94001 (Electronic Transformer Corp Div Electronic Transformer Corporation), PAG749 (United Transformer Corp Sub of Opt Industries Inc), D73A (B G Laboratories Inc.), PAG749 (Magnetika Inc).

What NSN replaces 5950-00-283-7375?

There are 9 known substitutes for 5950-00-283-7375: 5355-00-139-8215, 4820-00-152-1257, 5325-00-171-5950 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D73A?

Key specifications for D73A: Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT; Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT; Mounting Slot Width: 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM SINGLE GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 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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