PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

311-111Transformer,power

B.c. Systems Inc. Dba Bc Systems Inc · NSN 5950-01-136-4157 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-136-4157 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-136-4157. Primary manufacturer part number: 311-111.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Terminal Type and Quantity: 5 WIRE LEAD
  • Inclosure Type: PARTIALLY INCLOSED
  • 5 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 5950-01-136-4157, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-136-4157
Primary Part Number311-111
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerB.c. Systems Inc. Dba Bc Systems Inc
StatusACTIVE
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Terminal Type and Quantity5 WIRE LEAD
Inclosure TypePARTIALLY INCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2930-00-035-6877301106 INTERCHANGEABLE
Flange,connector
Brp Us Inc
5905-00-356-7650311111 INTERCHANGEABLE
Resistor Network,fixed,film
Vishay Intertechnology, Inc.
2530-00-425-2807 INTERCHANGEABLE
Brake Shoe
5342-00-687-5684 INTERCHANGEABLE
Mount,resilient,weapon System
5905-00-798-1431 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5905-00-812-4559 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
6680-01-192-0542301-106 INTERCHANGEABLE
Indicator,liquid Quantity
Vdo-Yazaki Corp
4730-01-259-5802156224 INTERCHANGEABLE
Union,pipe
Pentair Filtration Solutions, Llc
5945-01-266-7487311111 INTERCHANGEABLE
Relay Subassembly
Heraeus Kulzer Llc
4810-01-482-5052 INTERCHANGEABLE
Actuator,electromechanical,rotar
Cross-Reference Index
Part NumberManufacturer
311-111 Tempo Instrument Inc Defense Electronics Div (USA)
301-106 Tempo Instrument Inc Defense Electronics Div (USA)
311-106 Tempo Instrument Inc Defense Electronics Div (USA)
311-111 PRIMARY B.c. Systems Inc. Dba Bc Systems Inc (USA)
301-106 PRIMARY B.c. Systems Inc. Dba Bc Systems Inc (USA)
Related Parts
2930-00-035-6877INTERCHANGEABLE
FLANGE,CONNECTOR
301106
5905-00-356-7650INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
311111
2530-00-425-2807INTERCHANGEABLE
BRAKE SHOE
5342-00-687-5684INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
5905-00-798-1431INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5905-00-812-4559INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
6680-01-192-0542INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY
301-106
4730-01-259-5802INTERCHANGEABLE
UNION,PIPE
156224
5945-01-266-7487INTERCHANGEABLE
RELAY SUBASSEMBLY
311111
4810-01-482-5052INTERCHANGEABLE
ACTUATOR,ELECTROMECHANICAL,ROTAR
1740-01-538-2585INTERCHANGEABLE
GAUGE,FUEL LEVEL,AI
45-35-0001

Frequently Asked Questions

What is NSN 5950-01-136-4157?

NSN 5950-01-136-4157 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 5950-01-136-4157?

NSN 5950-01-136-4157 has 5 cross-referenced part numbers: 311-111 (Tempo Instrument Inc Defense Electronics Div), 301-106 (Tempo Instrument Inc Defense Electronics Div), 311-106 (Tempo Instrument Inc Defense Electronics Div), 311-111 (B.c. Systems Inc. Dba Bc Systems Inc), 301-106 (B.c. Systems Inc. Dba Bc Systems Inc).

What NSN replaces 5950-01-136-4157?

There are 11 known substitutes for 5950-01-136-4157: 2930-00-035-6877, 5905-00-356-7650, 2530-00-425-2807 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 311-111?

Key specifications for 311-111: Overall Length: 1.070 INCHES MAXIMUM IN; Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT; Terminal Type and Quantity: 5 WIRE LEAD. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com