PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PEI 4707Reactor

Precision Electronics, Inc · NSN 5950-00-645-5257 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-5257 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-5257. Primary manufacturer part number: PEI 4707.
Features
  • Reactor — FSC 5950
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Inductance Type: FIXED
  • Inductance Rating: 300.00 MICROHENRIES MINIMUM SINGLE COMPONENT SINGLE WINDING
  • Body Outside Diameter: 1.000 INCHES NOMINAL IN
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Inclosure Type: HERMETICALLY SEALED
  • Winding Quantity: 1 SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-645-5257, 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 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-645-5257
Primary Part NumberPEI 4707
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPrecision Electronics, Inc
StatusCANCELLED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Inductance TypeFIXED
Inductance Rating300.00 MICROHENRIES MINIMUM SINGLE COMPONENT SINGLE WINDING
Body Outside Diameter1.000 INCHES NOMINAL IN
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Inclosure TypeHERMETICALLY SEALED
Winding Quantity1 SINGLE COMPONENT
Body Length1.438 INCHES NOMINAL IN
Mounting Facility Quantity2 SINGLE GROUP
Distance Between Mounting Facility Centers0.563 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Winding Operating Current1.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Terminal Type and Quantity2 TAB, SOLDER LUG
DC Resistance Rating in Ohms0.750 SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5940-00-082-4861 INTERCHANGEABLE
Terminal,stud
5950-00-646-5257249829 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5940-00-853-623210-209-2-01 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
2990-01-061-0897521232 INTERCHANGEABLE
Starter Rope,engine
Brunswick Corp Us Marine Div
Cross-Reference Index
Part NumberManufacturer
49B13479 Army Air Force Drawings Under Custodianship of the Air Force
15582 Emerson Electric Co White-Rodgers Div (USA)
49B13479 Department of the Air Force (USA)
PEI 4707 PRIMARY Precision Electronics, Inc (USA)
Related Parts
5940-00-082-4861INTERCHANGEABLE
TERMINAL,STUD
5950-00-646-5257INTERCHANGEABLE
TRANSFORMER,POWER
249829
5940-00-853-6232INTERCHANGEABLE
TERMINAL,STUD
10-209-2-01
2990-01-061-0897INTERCHANGEABLE
STARTER ROPE,ENGINE
521232

Frequently Asked Questions

What is NSN 5950-00-645-5257?

NSN 5950-00-645-5257 is a Reactor, manufactured by Precision Electronics, Inc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-645-5257?

NSN 5950-00-645-5257 has 4 cross-referenced part numbers: 49B13479 (Army Air Force Drawings Under Custodianship of the Air Force), 15582 (Emerson Electric Co White-Rodgers Div), 49B13479 (Department of the Air Force), PEI 4707 (Precision Electronics, Inc).

What NSN replaces 5950-00-645-5257?

There are 4 known substitutes for 5950-00-645-5257: 5940-00-082-4861, 5950-00-646-5257, 5940-00-853-6232 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PEI 4707?

Key specifications for PEI 4707: Mounting Method: THREADED STUD(S) SINGLE GROUP; Inductance Type: FIXED; Inductance Rating: 300.00 MICROHENRIES MINIMUM SINGLE COMPONENT SINGLE WINDING; Body Outside Diameter: 1.000 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-645-5257 still in active supply?

NSN 5950-00-645-5257 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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