PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PEI 8858Transformer,power

Precision Electronics, Inc · NSN 5950-00-156-0648 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-156-0648 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-156-0648. Primary manufacturer part number: PEI 8858.
Features
  • Transformer,power — FSC 5950
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Body Height: 1.500 INCHES NOMINAL IN
  • Inclosure Type: FULLY INCLOSED
  • Frequency Rating: 15.0 KILOHERTZ NOMINAL SINGLE COMPONENT
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Operating Voltage: 175.00 AC VOLTS MAXIMUM SINGLE COMPONENT ALL PRIMARY
  • Mounting Facility Quantity: 4 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-156-0648, 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 Precision Electronics, Inc. Government technical data includes 18 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-156-0648
Primary Part NumberPEI 8858
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPrecision Electronics, Inc
StatusACTIVE
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Body Height1.500 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Frequency Rating15.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage175.00 AC VOLTS MAXIMUM SINGLE COMPONENT ALL PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length1.594 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Body Length2.180 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Maximum Operating Temp85.0 CELSIUS DEGC
Body Width1.810 INCHES NOMINAL IN
Winding Operating Current20.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL PRIMARY
Winding Function and Quantity1 PRIMARY AND 10 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity33 TURRET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5965-00-244-605526070 INTERCHANGEABLE
Shell,earphone
Roanwell, Llc
6640-00-379-260626070-125 INTERCHANGEABLE
Flask,distilling
Owens-Illinois Inc Laboratory Sales Kimble Div
5330-00-641-3260244D63 INTERCHANGEABLE
Seal,plain Encased
Curtiss-Wright Controls, Inc. Div Actuation Division
5360-00-734-308226157 INTERCHANGEABLE
Spring,helical,compression
Briggs and Stratton Corp
2910-01-191-846426070 INTERCHANGEABLE
Stop,valve
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6150-01-309-2170 INTERCHANGEABLE
Cable Assembly,special Purpose,e
1560-01-496-199526070 INTERCHANGEABLE
Housing,air Intake,aircraft
Hydro-Aire Aerospace Corp
5340-01-560-585026070 INTERCHANGEABLE
Clip,spring Tension
Tecumseh Compressor
4730-01-585-679226048 INTERCHANGEABLE
Cap,tube
Barker Mfg Co
5120-01-628-919426070 INTERCHANGEABLE
Screwdriver,flat Tip
Wiha Quality Tools
Cross-Reference Index
Part NumberManufacturer
PEI 8858 PRIMARY Precision Electronics, Inc (USA)
26070 Trio Laboratories Inc (USA)
Related Parts
5965-00-244-6055INTERCHANGEABLE
SHELL,EARPHONE
26070
6640-00-379-2606INTERCHANGEABLE
FLASK,DISTILLING
26070-125
5330-00-641-3260INTERCHANGEABLE
SEAL,PLAIN ENCASED
244D63
5360-00-734-3082INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
26157
2910-01-191-8464INTERCHANGEABLE
STOP,VALVE
26070
6150-01-309-2170INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
1560-01-496-1995INTERCHANGEABLE
HOUSING,AIR INTAKE,AIRCRAFT
26070
5340-01-560-5850INTERCHANGEABLE
CLIP,SPRING TENSION
26070
4730-01-585-6792INTERCHANGEABLE
CAP,TUBE
26048
5120-01-628-9194INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
26070
5340-01-675-2839INTERCHANGEABLE
PLUG,VENT
69799

Frequently Asked Questions

What is NSN 5950-00-156-0648?

NSN 5950-00-156-0648 is a Transformer,power, manufactured by Precision Electronics, Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-156-0648?

NSN 5950-00-156-0648 has 2 cross-referenced part numbers: PEI 8858 (Precision Electronics, Inc), 26070 (Trio Laboratories Inc).

What NSN replaces 5950-00-156-0648?

There are 11 known substitutes for 5950-00-156-0648: 5965-00-244-6055, 6640-00-379-2606, 5330-00-641-3260 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PEI 8858?

Key specifications for PEI 8858: Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN; Body Height: 1.500 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Frequency Rating: 15.0 KILOHERTZ NOMINAL SINGLE COMPONENT. 18 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