PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PEI 7701Transformer,power

Precision Electronics, Inc · NSN 5950-01-051-1879 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-051-1879 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-051-1879. Primary manufacturer part number: PEI 7701.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 1.5 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.265 INCHES MINIMUM AND 2.327 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Maximum Operating Temp: 65.0 CELSIUS DEGC
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.843 INCHES MINIMUM AND 1.875 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Method: THREADED STUD(S) 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 5950-01-051-1879, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-051-1879
Primary Part NumberPEI 7701
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPrecision Electronics, Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Frequency Rating1.5 KILOHERTZ MAXIMUM SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.265 INCHES MINIMUM AND 2.327 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Maximum Operating Temp65.0 CELSIUS DEGC
Center to Center Distance Between Mounting Facilities Parallel to Width1.843 INCHES MINIMUM AND 1.875 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Terminal Type and Quantity3 SOLDER STUD AND 1 TURRET
Winding Operating Current1.2 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Winding Operating Current400.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5420-00-355-6689D5271-9 INTERCHANGEABLE
Gunwale,ponton,removable
Chief of Engineers Dept of Army
4210-01-151-619852719 INTERCHANGEABLE
Actuator,valve,pneumatic
Tyco Fire Products Lp
7025-01-446-8593 INTERCHANGEABLE
Disk Drive Unit
4730-01-549-0828 INTERCHANGEABLE
Tee,pipe
5330-01-699-332552719 INTERCHANGEABLE
Seal,plain Encased
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
PEI 7701 Precision Electronics, Inc (USA)
TT10654 Magnetika/east Ltd Titan Transformer Div (USA)
52719 Standex Electronics, Inc. (USA)
154345 Northrop Grumman Systems Corporation (USA)
RME-T-0053 Rme Filters Inc (USA)
Related Parts
5420-00-355-6689INTERCHANGEABLE
GUNWALE,PONTON,REMOVABLE
D5271-9
4210-01-151-6198INTERCHANGEABLE
ACTUATOR,VALVE,PNEUMATIC
52719
7025-01-446-8593INTERCHANGEABLE
DISK DRIVE UNIT
4730-01-549-0828INTERCHANGEABLE
TEE,PIPE
5330-01-699-3325INTERCHANGEABLE
SEAL,PLAIN ENCASED
52719

Frequently Asked Questions

What is NSN 5950-01-051-1879?

NSN 5950-01-051-1879 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 5950-01-051-1879?

NSN 5950-01-051-1879 has 5 cross-referenced part numbers: PEI 7701 (Precision Electronics, Inc), TT10654 (Magnetika/east Ltd Titan Transformer Div), 52719 (Standex Electronics, Inc.), 154345 (Northrop Grumman Systems Corporation), RME-T-0053 (Rme Filters Inc).

What NSN replaces 5950-01-051-1879?

There are 5 known substitutes for 5950-01-051-1879: 5420-00-355-6689, 4210-01-151-6198, 7025-01-446-8593 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PEI 7701?

Key specifications for PEI 7701: Reliability Indicator: NOT ESTABLISHED; Overall Length: 2.937 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN; Frequency Rating: 1.5 KILOHERTZ MAXIMUM SINGLE COMPONENT; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.265 INCHES MINIMUM AND 2.327 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 19 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