PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NT809Transformer,power

Bogen Communications Inc · NSN 5950-00-251-4340 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-251-4340 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-251-4340. Primary manufacturer part number: NT809.
Features
  • Transformer,power — FSC 5950
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Length: 5.375 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 5.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Body Width: 5.125 INCHES NOMINAL IN
  • Winding Operating Current: 180.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-251-4340, 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 Bogen Communications Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5950-00-251-4340
Primary Part NumberNT809
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBogen Communications Inc
StatusACTIVE
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length5.375 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length5.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Width5.125 INCHES NOMINAL IN
Winding Operating Current180.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Voltage1.03 AC KILOVOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Height5.125 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity5 TAB, SOLDER LUG
Inclosure TypeHERMETICALLY SEALED
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5945-00-189-9982612360 INTERCHANGEABLE
Solenoid,electrical
Lockheed Martin Corp
5133-00-236-4048 INTERCHANGEABLE
Drill,twist
5360-00-335-932311512 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
2530-00-351-1975188-5333 INTERCHANGEABLE
Track Shoe,vehicular
Caterpillar Inc Div Caterpillar Defense
5815-00-356-3409SM-B-171559 INTERCHANGEABLE
Keytop,keyboard
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4720-00-375-654611512 INTERCHANGEABLE
Hose Assembly,nonmetallic
Naval Sea Systems Command
5360-00-393-5040 INTERCHANGEABLE
Spring,presser Bar
5930-00-627-7452 INTERCHANGEABLE
Switch,push
5930-00-689-481278-8418-3950-5 INTERCHANGEABLE
Switch,sensitive
Decisionone Corp Dba Decisionone
5355-01-211-42091151-2 INTERCHANGEABLE
Knob
Leidos, Inc. Div Cyber and Information Solutions Services
Cross-Reference Index
Part NumberManufacturer
NT809 PRIMARY Bogen Communications Inc (USA)
11512 PRIMARY Freed Transformer Co (USA)
Related Parts
5945-00-189-9982INTERCHANGEABLE
SOLENOID,ELECTRICAL
612360
5133-00-236-4048INTERCHANGEABLE
DRILL,TWIST
5360-00-335-9323INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
11512
2530-00-351-1975INTERCHANGEABLE
TRACK SHOE,VEHICULAR
188-5333
5815-00-356-3409INTERCHANGEABLE
KEYTOP,KEYBOARD
SM-B-171559
4720-00-375-6546INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
11512
5360-00-393-5040INTERCHANGEABLE
SPRING,PRESSER BAR
5930-00-627-7452INTERCHANGEABLE
SWITCH,PUSH
5930-00-689-4812INTERCHANGEABLE
SWITCH,SENSITIVE
78-8418-3950-5
5355-01-211-4209INTERCHANGEABLE
KNOB
1151-2
6520-01-360-2638INTERCHANGEABLE
IMPRESSION TRAY,DENTAL
11512
5120-01-397-3297INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5950-00-251-4340?

NSN 5950-00-251-4340 is a Transformer,power, manufactured by Bogen Communications Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-251-4340?

NSN 5950-00-251-4340 has 2 cross-referenced part numbers: NT809 (Bogen Communications Inc), 11512 (Freed Transformer Co).

What NSN replaces 5950-00-251-4340?

There are 12 known substitutes for 5950-00-251-4340: 5945-00-189-9982, 5133-00-236-4048, 5360-00-335-9323 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NT809?

Key specifications for NT809: Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Body Length: 5.375 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 5.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Facility Quantity: 4 SINGLE GROUP. 16 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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