NSN 5950-01-659-1869 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-659-1869. Manufacturer of record part number: C637-1500.
Also searched as5950-01-659-1869 ·
5950016591869 ·
NIIN 016591869 ·
01-659-1869 ·
FSC 5950 Coils and Transformers · CAGE 21269 · C637-1500
Nearby stock numbers← 5950-01-659-1815 Transformer, Current
·
5950-01-659-1928 Transformer, Power →
Features
Transformer,power — FSC 5950
1 manufacturer part number on file
Manufacturer of record: Essex Electro Engineers Inc
Identification
NSN: 5950-01-659-1869
NIIN: 016591869
FSC: 5950 — Coils and Transformers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: C637-1500
Manufacturer: Essex Electro Engineers Inc
General Description
The Transformer,power, cataloged under National Stock Number 5950-01-659-1869, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Essex Electro Engineers Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5950-01-659-1869
Primary Part Number
C637-1500
Item Name
Transformer,power
FSC / FSG
5950 / 59 — Coils and Transformers
Manufacturer
Essex Electro Engineers Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5950-00-000-0146
TRANSFORMER,POWER
5950-00-001-1372
COIL,RADIO FREQUENCY
5950-00-001-1386
COVER,ELECTRICAL TRANSFORMER
5950-00-001-1410
5950-00-001-1410 · Item name not on file
5950-00-001-1411
5950-00-001-1411 · Item name not on file
5950-00-001-1412
5950-00-001-1412 · Item name not on file
5950-00-001-1413
5950-00-001-1413 · Item name not on file
5950-00-001-1414
5950-00-001-1414 · Item name not on file
Frequently Asked Questions
What is NSN 5950-01-659-1869?
NSN 5950-01-659-1869 is a Transformer,power, manufactured by Essex Electro Engineers Inc, classified under FSC 5950, Coils and Transformers. Status: active.
What part numbers are listed for NSN 5950-01-659-1869?
NSN 5950-01-659-1869 has 1 manufacturer part number on file: C637-1500 (Essex Electro Engineers Inc).
What are the specifications of C637-1500?
Key specifications for C637-1500: Part Name Assigned by Controlling Agency: TRANSFORMER, 3 PH. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5950-01-659-1869 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.