PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

311-109Transformer,power

B.c. Systems Inc. Dba Bc Systems Inc · NSN 5950-01-127-8675 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-127-8675 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-127-8675. Primary manufacturer part number: 311-109.
Features
  • Transformer,power — FSC 5950
  • Inclosure Type: PARTIALLY INCLOSED
  • Terminal Type and Quantity: 11 WIRE LEAD
  • Winding Function and Quantity: 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
  • Frequency Rating: 400.00 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • 4 verified cross-references
  • Primary manufacturer: B.c. Systems Inc. Dba Bc Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-127-8675, 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.c. Systems Inc. Dba Bc Systems Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-127-8675
Primary Part Number311-109
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerB.c. Systems Inc. Dba Bc Systems Inc
StatusACTIVE
Inclosure TypePARTIALLY INCLOSED
Terminal Type and Quantity11 WIRE LEAD
Winding Function and Quantity1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Frequency Rating400.00 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5865-00-012-7412 INTERCHANGEABLE
Shaft and Roller Assembly
5905-00-111-1810311109 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Boonton Electronics Corporation Div Boonton Electronics
3120-00-173-2661H3293909REVAPC140 INTERCHANGEABLE
Bushing,sleeve
Naval Ship Systems Command
5998-00-201-4217301104 INTERCHANGEABLE
Circuit Card Assembly
Dranetz Technologies Inc
5905-00-853-1034 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5330-00-892-1706244295 INTERCHANGEABLE
Gasket
Pentair Filtration Solutions, Llc
5910-00-903-8336281-0511-00 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Tektronix, Inc.
2541-01-353-61042DB127 INTERCHANGEABLE
Bracket,vehicular Seat
Oshkosh Defense Llc
6680-01-417-3303 INTERCHANGEABLE
Indicator,liquid Quantity
5940-01-423-6457 INTERCHANGEABLE
Terminal Board
Cross-Reference Index
Part NumberManufacturer
301-104 Tempo Instrument Inc Defense Electronics Div (USA)
311-109 PRIMARY B.c. Systems Inc. Dba Bc Systems Inc (USA)
301-104 B.c. Systems Inc. Dba Bc Systems Inc (USA)
311-109 Tempo Instrument Inc Defense Electronics Div (USA)
Related Parts
5865-00-012-7412INTERCHANGEABLE
SHAFT AND ROLLER ASSEMBLY
5905-00-111-1810INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
311109
3120-00-173-2661INTERCHANGEABLE
BUSHING,SLEEVE
H3293909REVAPC140
5998-00-201-4217INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
301104
5905-00-853-1034INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5330-00-892-1706INTERCHANGEABLE
GASKET
244295
5910-00-903-8336INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
281-0511-00
2541-01-353-6104INTERCHANGEABLE
BRACKET,VEHICULAR SEAT
2DB127
6680-01-417-3303INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY
5940-01-423-6457INTERCHANGEABLE
TERMINAL BOARD

Frequently Asked Questions

What is NSN 5950-01-127-8675?

NSN 5950-01-127-8675 is a Transformer,power, manufactured by B.c. Systems Inc. Dba Bc Systems Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-127-8675?

NSN 5950-01-127-8675 has 4 cross-referenced part numbers: 301-104 (Tempo Instrument Inc Defense Electronics Div), 311-109 (B.c. Systems Inc. Dba Bc Systems Inc), 301-104 (B.c. Systems Inc. Dba Bc Systems Inc), 311-109 (Tempo Instrument Inc Defense Electronics Div).

What NSN replaces 5950-01-127-8675?

There are 10 known substitutes for 5950-01-127-8675: 5865-00-012-7412, 5905-00-111-1810, 3120-00-173-2661 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 311-109?

Key specifications for 311-109: Overall Width: 0.880 INCHES MAXIMUM IN; Overall Length: 1.090 INCHES MAXIMUM IN; Inclosure Type: PARTIALLY INCLOSED; Terminal Type and Quantity: 11 WIRE LEAD. 8 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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