PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

86-8Transformer,power

Day-Ray Products, Inc · NSN 5950-01-264-5129 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-264-5129 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-264-5129. Primary manufacturer part number: 86-8.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Inclosure Type: FULLY INCLOSED
  • Body Length: 3.000 INCHES NOMINAL IN
  • Frequency Rating: 400.0 HERTZ NOMINAL ALL COMPONENTS
  • Winding Operating Voltage: 28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Terminal Type and Quantity: 7 THREADED STUD
  • Body Width: 2.060 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-264-5129, 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 Day-Ray Products, Inc. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-264-5129
Primary Part Number86-8
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerDay-Ray Products, Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Body Length3.000 INCHES NOMINAL IN
Frequency Rating400.0 HERTZ NOMINAL ALL COMPONENTS
Winding Operating Voltage28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity7 THREADED STUD
Body Width2.060 INCHES NOMINAL IN
Mounting MethodFLANGE SINGLE GROUP
Body Height1.870 INCHES NOMINAL IN
Winding Operating Current5.8 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6145-00-026-9429868 INTERCHANGEABLE
Braid,wire
Birnbach Co Inc
5940-00-058-963912121 INTERCHANGEABLE
Terminal Board
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5950-00-127-39167732 INTERCHANGEABLE
Saturable Reactor
Coast/advanced Chip Magnetics, Inc.
5960-00-170-6446 INTERCHANGEABLE
Electron Tube
5340-00-264-7184868 INTERCHANGEABLE
Bumper
Atlantic India Rubber Co Inc
6630-00-337-68907732 INTERCHANGEABLE
Liner,bomb
J & H Berge, Inc. Dba Lab Mart, the Div the Labmart
4730-00-353-29954B9003 INTERCHANGEABLE
Adapter,straight,tube to Boss
Caterpillar Inc Div Caterpillar Defense
4820-00-399-2764868 INTERCHANGEABLE
Seat,valve
Lawler Manufacturing Company, Inc.
4940-00-430-340286-8 INTERCHANGEABLE
Valve
Itw Industrial Finishing Dba Binks Devilbiss
5935-00-502-9965SMB114253-1 INTERCHANGEABLE
Plug,tip
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
86-8 PRIMARY Day-Ray Products, Inc (USA)
77-32 Day-Ray Products, Inc (USA)
741893-103 Lockheed Martin Corp (USA)
Related Parts
6145-00-026-9429INTERCHANGEABLE
BRAID,WIRE
868
5940-00-058-9639INTERCHANGEABLE
TERMINAL BOARD
12121
5950-00-127-3916INTERCHANGEABLE
SATURABLE REACTOR
7732
5960-00-170-6446INTERCHANGEABLE
ELECTRON TUBE
5340-00-264-7184INTERCHANGEABLE
BUMPER
868
6630-00-337-6890INTERCHANGEABLE
LINER,BOMB
7732
4730-00-353-2995INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
4B9003
4820-00-399-2764INTERCHANGEABLE
SEAT,VALVE
868
4940-00-430-3402INTERCHANGEABLE
VALVE
86-8
5935-00-502-9965INTERCHANGEABLE
PLUG,TIP
SMB114253-1
5340-00-573-0479INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
77-32
5310-00-655-7511INTERCHANGEABLE
WASHER,FLAT
11588659-3

Frequently Asked Questions

What is NSN 5950-01-264-5129?

NSN 5950-01-264-5129 is a Transformer,power, manufactured by Day-Ray Products, Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-264-5129?

NSN 5950-01-264-5129 has 3 cross-referenced part numbers: 86-8 (Day-Ray Products, Inc), 77-32 (Day-Ray Products, Inc), 741893-103 (Lockheed Martin Corp).

What NSN replaces 5950-01-264-5129?

There are 12 known substitutes for 5950-01-264-5129: 6145-00-026-9429, 5940-00-058-9639, 5950-00-127-3916 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 86-8?

Key specifications for 86-8: Reliability Indicator: NOT ESTABLISHED; Inclosure Type: FULLY INCLOSED; Body Length: 3.000 INCHES NOMINAL IN; Frequency Rating: 400.0 HERTZ NOMINAL ALL COMPONENTS. 12 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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