NSN 5950-01-018-9939 · NIIN 010189939 · Part number 201156-1
B.c. Systems Inc. Dba Bc Systems Inc · FSC 5950 — Coils and Transformers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 48313
Government record, cited
NSN 5950-01-018-9939 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-018-9939. Manufacturer of record part number: 201156-1.
Also searched as5950-01-018-9939 ·
5950010189939 ·
NIIN 010189939 ·
01-018-9939 ·
FSC 5950 Coils and Transformers · CAGE 48313 · 201156-1 · 129201
Nearby stock numbers← 5950-01-018-9749
·
5950-01-018-9995 Transformer, Audio Frequency →
Features
Transformer,power — FSC 5950
2 manufacturer part numbers on file
Manufacturer of record: B.c. Systems Inc. Dba Bc Systems Inc
Identification
NSN: 5950-01-018-9939
NIIN: 010189939
FSC: 5950 — Coils and Transformers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 201156-1
Manufacturer: B.c. Systems Inc. Dba Bc Systems Inc
General Description
The Transformer,power, cataloged under National Stock Number 5950-01-018-9939, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is B.c. Systems Inc. Dba Bc Systems Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Transformer,power
FSC / FSG
5950 — Coils and Transformers (FSG 59)
Manufacturers
Electronic Transformer Corp Div Electronic Transformer Corporation (CAGE 72149); B.c. Systems Inc. Dba Bc Systems Inc (CAGE 48313)
Technical Specifications
Parameter
Value
NSN
5950-01-018-9939
Primary Part Number
201156-1
Item Name
Transformer,power
FSC / FSG
5950 / 59 — Coils and Transformers
Manufacturer
B.c. Systems Inc. Dba Bc Systems 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)
Criticality Code
X
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5998-01-229-5345201156-1POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)L3harris Technologies, Inc Div Space & Airborne Systems
3120-01-374-9791129201POSSIBLE MATCH
BEARING,WASHER,THRUST
Possible match (shared part number)Unistrut El Paso
NSN 5950-01-018-9939 is a Transformer,power, manufactured by B.c. Systems Inc. Dba Bc Systems Inc, classified under FSC 5950, Coils and Transformers. Status: active.
What part numbers are listed for NSN 5950-01-018-9939?
NSN 5950-01-018-9939 has 2 manufacturer part numbers on file: 129201 (Electronic Transformer Corp Div Electronic Transformer Corporation), 201156-1 (B.c. Systems Inc. Dba Bc Systems Inc).
What NSN replaces 5950-01-018-9939?
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-229-5345, 3120-01-374-9791. Verify interchangeability with system specifications before substitution.
Is NSN 5950-01-018-9939 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.