PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11191Transformer,power Autotransforme

Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems · NSN 5950-00-864-7688 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-864-7688 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-864-7688. Primary manufacturer part number: 11191.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Body Length: 3.300 INCHES NOMINAL IN
  • Winding Operating Voltage: 9.00 AC VOLTS NOMINAL AND 27.80 AC VOLTS NOMINAL AND 28.60 AC VOLTS NOMINAL AND 111.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Body Width: 3.250 INCHES NOMINAL IN
  • Terminal Type and Quantity: 6 TAB, SOLDER LUG
  • Mounting Hole Diameter: 0.219 INCHES NOMINAL SINGLE GROUP IN
  • Frequency Rating: 380.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-864-7688, 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 Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5950-00-864-7688
Primary Part Number11191
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerOeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
StatusACTIVE
Body Length3.300 INCHES NOMINAL IN
Winding Operating Voltage9.00 AC VOLTS NOMINAL AND 27.80 AC VOLTS NOMINAL AND 28.60 AC VOLTS NOMINAL AND 111.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Width3.250 INCHES NOMINAL IN
Terminal Type and Quantity6 TAB, SOLDER LUG
Mounting Hole Diameter0.219 INCHES NOMINAL SINGLE GROUP IN
Frequency Rating380.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current7.04 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE WINDING
Body Height3.250 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Inclosure TypeOPEN
Center to Center Distance Between Mounting Facilities Parallel to Width1.630 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage113.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Center to Center Distance Between Mounting Facilities Parallel to Length2.440 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1680-00-091-24041119-1 INTERCHANGEABLE
Bellows
Precision Metal Products, Inc
5330-00-297-452011191 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4820-00-403-5641N11191 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4330-00-420-7557BT-839 W/G-401 INTERCHANGEABLE
Filter Element,fluid
Baldwin Filters
6105-00-813-9224035463 INTERCHANGEABLE
Motor,alternating Current
Rotron Incorporated
4730-01-004-83461537 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Danfoss Power Solutions II, Llc
1420-01-179-832711191 INTERCHANGEABLE
Heater Assembly
Technical Heaters, Inc. Dba Technical Heaters Inc
5340-01-193-9571NH1010750-10 INTERCHANGEABLE
Clamp,loop
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
6240-01-295-515911191 INTERCHANGEABLE
Lamp,incandescent
Pmc/beta Ltd Partnership
4730-01-312-51131119-1 INTERCHANGEABLE
Restrictor,fluid Flow
R & D Machine Rafael Anaya Div Defense Logistics Agency
Cross-Reference Index
Part NumberManufacturer
11191 PRIMARY Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
Related Parts
1680-00-091-2404INTERCHANGEABLE
BELLOWS
1119-1
5330-00-297-4520INTERCHANGEABLE
SEAL,PLAIN ENCASED
11191
4820-00-403-5641INTERCHANGEABLE
DISK,VALVE
N11191
4330-00-420-7557INTERCHANGEABLE
FILTER ELEMENT,FLUID
BT-839 W/G-401
6105-00-813-9224INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
035463
4730-01-004-8346INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
1537
1420-01-179-8327INTERCHANGEABLE
HEATER ASSEMBLY
11191
5340-01-193-9571INTERCHANGEABLE
CLAMP,LOOP
NH1010750-10
6240-01-295-5159INTERCHANGEABLE
LAMP,INCANDESCENT
11191
4730-01-312-5113INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
1119-1
5310-01-519-8103INTERCHANGEABLE
WASHER,BEVEL
11-191
4240-01-572-3104INTERCHANGEABLE
LENS,GOGGLES,INDUSTRIAL
11-191

Frequently Asked Questions

What is NSN 5950-00-864-7688?

NSN 5950-00-864-7688 is a Transformer,power Autotransforme, manufactured by Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-864-7688?

NSN 5950-00-864-7688 has 1 cross-referenced part number: 11191 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems).

What NSN replaces 5950-00-864-7688?

There are 12 known substitutes for 5950-00-864-7688: 1680-00-091-2404, 5330-00-297-4520, 4820-00-403-5641 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11191?

Key specifications for 11191: Body Length: 3.300 INCHES NOMINAL IN; Winding Operating Voltage: 9.00 AC VOLTS NOMINAL AND 27.80 AC VOLTS NOMINAL AND 28.60 AC VOLTS NOMINAL AND 111.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT; Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP; Body Width: 3.250 INCHES NOMINAL IN. 17 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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