PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37888Reactor

Freed Transformer Co · NSN 5950-00-836-0628 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-836-0628 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-836-0628. Primary manufacturer part number: 37888.
Features
  • Reactor — FSC 5950
  • Inductance Rating: 8.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Body Height: 3.125 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.436 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Terminal Type and Quantity: 2 SOLDER STUD
  • Inductance Type: FIXED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-836-0628, 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 Freed Transformer Co. Government technical data includes 19 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-836-0628
Primary Part Number37888
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Inductance Rating8.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Body Height3.125 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.436 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity2 SOLDER STUD
Inductance TypeFIXED
Reliability IndicatorNOT ESTABLISHED
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Mounting Facility Quantity4 SINGLE GROUP
DC Resistance Rating in Ohms190.000 SINGLE COMPONENT SINGLE WINDING
Inclosure TypeHERMETICALLY SEALED
Body Length2.312 INCHES NOMINAL IN
Winding Quantity1 SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.687 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width2.062 INCHES NOMINAL IN
Winding Operating Current100.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3455-00-243-217011660 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
6625-00-442-010337-888 INTERCHANGEABLE
Voltmeter
Non-Linear Systems Inc
5905-00-885-662116279 INTERCHANGEABLE
Wiper Bar
Ametek, Inc. Dba Aerospace Gst Div Aerospace
5315-01-110-783616279 INTERCHANGEABLE
Pin,straight,headed
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5365-01-276-972416279 INTERCHANGEABLE
Spacer,ring
Chicago Steel Tape Co Inc Berger Instruments Co Inc
2540-01-294-9713H697-1 INTERCHANGEABLE
Cylinder,lock,vehicular
Illinois Lock Co
5310-01-331-514470009-214 INTERCHANGEABLE
Nut,self-Locking,hexagon
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
6515-01-590-475602.207.055 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5836-01-616-323437888 INTERCHANGEABLE
Camera-Recording,video
Ridge Tool Company
Cross-Reference Index
Part NumberManufacturer
37888 PRIMARY Freed Transformer Co (USA)
16279 Drs Advanced Isr, Llc (USA)
Related Parts
3455-00-243-2170INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11660
6625-00-442-0103INTERCHANGEABLE
VOLTMETER
37-888
5905-00-885-6621INTERCHANGEABLE
WIPER BAR
16279
5315-01-110-7836INTERCHANGEABLE
PIN,STRAIGHT,HEADED
16279
5365-01-276-9724INTERCHANGEABLE
SPACER,RING
16279
2540-01-294-9713INTERCHANGEABLE
CYLINDER,LOCK,VEHICULAR
H697-1
5310-01-331-5144INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
70009-214
6515-01-590-4756INTERCHANGEABLE
SCREW,BONE
02.207.055
5836-01-616-3234INTERCHANGEABLE
CAMERA-RECORDING,VIDEO
37888

Frequently Asked Questions

What is NSN 5950-00-836-0628?

NSN 5950-00-836-0628 is a Reactor, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-836-0628?

NSN 5950-00-836-0628 has 2 cross-referenced part numbers: 37888 (Freed Transformer Co), 16279 (Drs Advanced Isr, Llc).

What NSN replaces 5950-00-836-0628?

There are 9 known substitutes for 5950-00-836-0628: 3455-00-243-2170, 6625-00-442-0103, 5905-00-885-6621 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37888?

Key specifications for 37888: Inductance Rating: 8.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING; Mounting Method: THREADED STUD(S) SINGLE GROUP; Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN; Body Height: 3.125 INCHES NOMINAL IN. 19 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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