PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15877Reactor

Robert M. Hadley Company, Inc. · NSN 5950-01-304-5109 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-304-5109 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-304-5109. Primary manufacturer part number: 15877.
Features
  • Reactor — FSC 5950
  • Body Length: 1.520 INCHES MAXIMUM IN
  • Reliability Indicator: NOT ESTABLISHED
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Terminal Type and Quantity: 2 PIN
  • Inductance Rating: 100.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Winding Quantity: 1 SINGLE COMPONENT
  • Frequency Rating: 40.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-01-304-5109, 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 Robert M. Hadley Company, Inc.. Government technical data includes 17 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-304-5109
Primary Part Number15877
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRobert M. Hadley Company, Inc.
StatusACTIVE
Body Length1.520 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Width0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity2 PIN
Inductance Rating100.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Winding Quantity1 SINGLE COMPONENT
Frequency Rating40.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Body Height0.770 INCHES MAXIMUM IN
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
DC Resistance Rating in Ohms0.027 SINGLE COMPONENT SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width1.150 INCHES MAXIMUM IN
Inclosure TypeFULLY INCLOSED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2990-00-459-713515877 INTERCHANGEABLE
Plate,end,fuel Pump
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5865-00-824-590315877-01 INTERCHANGEABLE
Oscillator Assy,bia
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
4820-00-909-872715877 INTERCHANGEABLE
Body,valve
Mission Systems Orchard Park Inc
5330-00-966-897815877 INTERCHANGEABLE
Packing,preformed
Hyster-Yale Group, Inc.
4320-00-988-945602-5-14-1285ITEM2-29 INTERCHANGEABLE
Clamp,mechanical
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
6145-01-015-439015877 INTERCHANGEABLE
Cable,power,electrical
Champlain Cable Leeds Corporation
2530-01-063-5230 INTERCHANGEABLE
Plunger,relief Valve
5985-01-279-4712 INTERCHANGEABLE
Waveguide Assembly
4820-01-340-403115550-2 INTERCHANGEABLE
Valve,angle
Dragon Valves Inc
5310-01-353-0337158.77 INTERCHANGEABLE
Washer,flat
Culligan Intl Co Sub of Beatrice Companies Inc
Cross-Reference Index
Part NumberManufacturer
15877 PRIMARY Robert M. Hadley Company, Inc. (USA)
Related Parts
2990-00-459-7135INTERCHANGEABLE
PLATE,END,FUEL PUMP
15877
5865-00-824-5903INTERCHANGEABLE
OSCILLATOR ASSY,BIA
15877-01
4820-00-909-8727INTERCHANGEABLE
BODY,VALVE
15877
5330-00-966-8978INTERCHANGEABLE
PACKING,PREFORMED
15877
4320-00-988-9456INTERCHANGEABLE
CLAMP,MECHANICAL
02-5-14-1285ITEM2-29
6145-01-015-4390INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
15877
2530-01-063-5230INTERCHANGEABLE
PLUNGER,RELIEF VALVE
5985-01-279-4712INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
4820-01-340-4031INTERCHANGEABLE
VALVE,ANGLE
15550-2
5310-01-353-0337INTERCHANGEABLE
WASHER,FLAT
158.77
4820-01-419-1676INTERCHANGEABLE
VALVE,ANGLE
MA15550-2T
7690-01-423-3967INTERCHANGEABLE
DECAL
15877

Frequently Asked Questions

What is NSN 5950-01-304-5109?

NSN 5950-01-304-5109 is a Reactor, manufactured by Robert M. Hadley Company, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-304-5109?

NSN 5950-01-304-5109 has 1 cross-referenced part number: 15877 (Robert M. Hadley Company, Inc.).

What NSN replaces 5950-01-304-5109?

There are 12 known substitutes for 5950-01-304-5109: 2990-00-459-7135, 5865-00-824-5903, 4820-00-909-8727 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15877?

Key specifications for 15877: Body Length: 1.520 INCHES MAXIMUM IN; Reliability Indicator: NOT ESTABLISHED; Center to Center Distance Between Mounting Facilities Parallel to Width: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Terminal Type and Quantity: 2 PIN. 17 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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