PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30165Transformer,power

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · NSN 5950-00-857-3042 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-857-3042 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-857-3042. Primary manufacturer part number: 30165.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 42.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Thread Quantity Per Inch: 40 SINGLE GROUP
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Winding Operating Voltage: 50.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
  • Winding Operating Voltage: 5.10 AC VOLTS NOMINAL AND 8.90 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-857-3042, 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 Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 20 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-857-3042
Primary Part Number30165
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems
StatusACTIVE
Winding Operating Voltage42.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Thread Quantity Per Inch40 SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Winding Operating Voltage50.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Voltage5.10 AC VOLTS NOMINAL AND 8.90 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Voltage3.20 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Terminal Type and Quantity12 WIRE LEAD
Winding Power Rating8.0 VOLTS-AMPERES SINGLE COMPONENT THIRD SECONDARY
Distance Between Mounting Facility Centers1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Winding Operating Current20.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Body Length1.469 INCHES NOMINAL IN
Winding Operating Current14.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5365-00-079-337530165 INTERCHANGEABLE
Spacer,ring
Kidde-Fenwal, Llc
3110-00-100-0714 INTERCHANGEABLE
Cone and Rollers,tapered Roller
2010-00-213-0753AVP10S43-5PC17 INTERCHANGEABLE
Staves
Naval Ship Systems Command
6105-00-251-26003016-5 INTERCHANGEABLE
Armature,electrical
Dynamic Air Engineering, Inc.
2520-00-876-48273-09131 INTERCHANGEABLE
Bearing and Sleeve Assembly,clut
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
8415-01-093-0590SM-B-933878 INTERCHANGEABLE
Pad,cushioning,helmet
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-01-514-1802330165-010 INTERCHANGEABLE
Stem,fluid Valve
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
5133-01-525-614730-165 INTERCHANGEABLE
Drill,twist
Tom J Riddle Inc Dba Gard Specialists
6640-01-542-359120004050-021 INTERCHANGEABLE
Kit,syringe Valve
Battelle Memorial Institute
7035-01-660-3940 INTERCHANGEABLE
Server,automatic Data Processing
Cross-Reference Index
Part NumberManufacturer
30165 PRIMARY Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
5365-00-079-3375INTERCHANGEABLE
SPACER,RING
30165
3110-00-100-0714INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2010-00-213-0753INTERCHANGEABLE
STAVES
AVP10S43-5PC17
6105-00-251-2600INTERCHANGEABLE
ARMATURE,ELECTRICAL
3016-5
2520-00-876-4827INTERCHANGEABLE
BEARING AND SLEEVE ASSEMBLY,CLUT
3-09131
8415-01-093-0590INTERCHANGEABLE
PAD,CUSHIONING,HELMET
SM-B-933878
4820-01-514-1802INTERCHANGEABLE
STEM,FLUID VALVE
330165-010
5133-01-525-6147INTERCHANGEABLE
DRILL,TWIST
30-165
6640-01-542-3591INTERCHANGEABLE
KIT,SYRINGE VALVE
20004050-021
7035-01-660-3940INTERCHANGEABLE
SERVER,AUTOMATIC DATA PROCESSING

Frequently Asked Questions

What is NSN 5950-00-857-3042?

NSN 5950-00-857-3042 is a Transformer,power, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-857-3042?

NSN 5950-00-857-3042 has 1 cross-referenced part number: 30165 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).

What NSN replaces 5950-00-857-3042?

There are 10 known substitutes for 5950-00-857-3042: 5365-00-079-3375, 3110-00-100-0714, 2010-00-213-0753 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30165?

Key specifications for 30165: Winding Operating Voltage: 42.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Thread Quantity Per Inch: 40 SINGLE GROUP; Mounting Facility Quantity: 2 SINGLE GROUP; Winding Operating Voltage: 50.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY. 22 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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