PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300087Transformer,power

Astronics Test Systems Inc · NSN 5950-01-020-4721 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-020-4721 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-020-4721. Primary manufacturer part number: 300087.
Features
  • Transformer,power — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • 3 verified cross-references
  • Primary manufacturer: Astronics Test Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-020-4721, 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 Astronics Test Systems Inc. Government technical data includes 1 verified specification, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-01-020-4721
Primary Part Number300087
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAstronics Test Systems Inc
StatusCANCELLED
Inclosure TypeFULLY INCLOSED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6220-00-122-667530-0087 INTERCHANGEABLE
Spotlight
Grimes Aerospace Company
5310-00-186-0961 INTERCHANGEABLE
Washer,key
5940-00-204-7844 INTERCHANGEABLE
Terminal,lug
2590-00-253-7421292481 INTERCHANGEABLE
Cap,filler Opening
Briggs and Stratton Corp
5985-01-030-9479 INTERCHANGEABLE
Mixer,crystal,coaxial
4820-01-259-57333000-87 INTERCHANGEABLE
Cock,poppet Drain
Norgren C a Co
2990-01-707-4911K181268 INTERCHANGEABLE
Control Unit,governor
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
300087 PRIMARY Astronics Test Systems Inc (USA)
H5BT3-6-1-5 T D K Electronics Corp (USA)
403553 PRIMARY Astronics Test Systems Inc (USA)
Related Parts
6220-00-122-6675INTERCHANGEABLE
SPOTLIGHT
30-0087
5310-00-186-0961INTERCHANGEABLE
WASHER,KEY
5940-00-204-7844INTERCHANGEABLE
TERMINAL,LUG
2590-00-253-7421INTERCHANGEABLE
CAP,FILLER OPENING
292481
5985-01-030-9479INTERCHANGEABLE
MIXER,CRYSTAL,COAXIAL
4820-01-259-5733INTERCHANGEABLE
COCK,POPPET DRAIN
3000-87
2990-01-707-4911INTERCHANGEABLE
CONTROL UNIT,GOVERNOR
K181268

Frequently Asked Questions

What is NSN 5950-01-020-4721?

NSN 5950-01-020-4721 is a Transformer,power, manufactured by Astronics Test Systems Inc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-01-020-4721?

NSN 5950-01-020-4721 has 3 cross-referenced part numbers: 300087 (Astronics Test Systems Inc), H5BT3-6-1-5 (T D K Electronics Corp), 403553 (Astronics Test Systems Inc).

What NSN replaces 5950-01-020-4721?

There are 7 known substitutes for 5950-01-020-4721: 6220-00-122-6675, 5310-00-186-0961, 5940-00-204-7844 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300087?

Key specifications for 300087: Inclosure Type: FULLY INCLOSED. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-01-020-4721 still in active supply?

NSN 5950-01-020-4721 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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