PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

129-8-1Reactor

Kearfott Corporation Div Guidance and Navigation Division · NSN 5950-00-556-2628 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-556-2628 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-556-2628. Primary manufacturer part number: 129-8-1.
Features
  • Reactor — FSC 5950
  • Inductance Type: FIXED
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
  • Inclosure Type: HERMETICALLY SEALED
  • Mounting Method: UNTHREADED STUD SINGLE GROUP
  • Inductance Rating: 1.50 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Winding Quantity: 1 SINGLE COMPONENT
  • Mounting Facility Quantity: 3 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-556-2628, 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 Kearfott Corporation Div Guidance and Navigation Division. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-556-2628
Primary Part Number129-8-1
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerKearfott Corporation Div Guidance and Navigation Division
StatusCANCELLED
Inductance TypeFIXED
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Inclosure TypeHERMETICALLY SEALED
Mounting MethodUNTHREADED STUD SINGLE GROUP
Inductance Rating1.50 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
Winding Quantity1 SINGLE COMPONENT
Mounting Facility Quantity3 SINGLE GROUP
Body Length1.656 INCHES NOMINAL IN
DC Resistance Rating in Ohms88.000 SINGLE COMPONENT SINGLE WINDING
Winding Operating Current100.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Body Width1.438 INCHES NOMINAL IN
Terminal Type and Quantity2 WIRE LEAD
Body Height2.125 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4730-00-202-953955-454-1 INTERCHANGEABLE
Reducer,tube
Dana Corp Spicer Transmission Div
7820-00-271-17921238228 INTERCHANGEABLE
Game,strategy
Sport Supply Group Inc
1265-00-381-63171357027 INTERCHANGEABLE
Gear Head Assy
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6220-01-115-89161298-501 INTERCHANGEABLE
Floodlight,electric
Control Products Corporation
2590-01-340-944812981 INTERCHANGEABLE
Bezel,automotive Trim
DP Manufacturing Inc.
5305-01-394-784812981 INTERCHANGEABLE
Screw,machine
Vaisala Inc.
Cross-Reference Index
Part NumberManufacturer
129-8-1 PRIMARY Kearfott Corporation Div Guidance and Navigation Division (USA)
K129-8-1 PRIMARY Kearfott Corporation Div Guidance and Navigation Division (USA)
W2636 Cen Electronics a Div of Chloride Power Electronics Inc (USA)
Related Parts
4730-00-202-9539INTERCHANGEABLE
REDUCER,TUBE
55-454-1
7820-00-271-1792INTERCHANGEABLE
GAME,STRATEGY
1238228
1265-00-381-6317INTERCHANGEABLE
GEAR HEAD ASSY
1357027
6220-01-115-8916INTERCHANGEABLE
FLOODLIGHT,ELECTRIC
1298-501
2590-01-340-9448INTERCHANGEABLE
BEZEL,AUTOMOTIVE TRIM
12981
5305-01-394-7848INTERCHANGEABLE
SCREW,MACHINE
12981

Frequently Asked Questions

What is NSN 5950-00-556-2628?

NSN 5950-00-556-2628 is a Reactor, manufactured by Kearfott Corporation Div Guidance and Navigation Division, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-556-2628?

NSN 5950-00-556-2628 has 3 cross-referenced part numbers: 129-8-1 (Kearfott Corporation Div Guidance and Navigation Division), K129-8-1 (Kearfott Corporation Div Guidance and Navigation Division), W2636 (Cen Electronics a Div of Chloride Power Electronics Inc).

What NSN replaces 5950-00-556-2628?

There are 6 known substitutes for 5950-00-556-2628: 4730-00-202-9539, 7820-00-271-1792, 1265-00-381-6317 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 129-8-1?

Key specifications for 129-8-1: Inductance Type: FIXED; Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING; Inclosure Type: HERMETICALLY SEALED; Mounting Method: UNTHREADED STUD SINGLE GROUP. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-556-2628 still in active supply?

NSN 5950-00-556-2628 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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