Transformer, Audio Frequency5950-00-927-5977

NSN 5950-00-927-5977 · NIIN 009275977 · Part number 20259-0978

O T S I · FSC 5950 — Coils and Transformers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 05825

Government record, cited

NSN 5950-00-927-5977 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-927-5977. Manufacturer of record part number: 20259-0978.

Also searched as 5950-00-927-5977 · 5950009275977 · NIIN 009275977 · 00-927-5977 · FSC 5950 Coils and Transformers · CAGE 05825 · 20259-0978

Nearby stock numbers ← 5950-00-927-5976 · 5950-00-927-6011 Coil, Electrical →

Features

Transformer,audio Frequency — FSC 5950
1 manufacturer part number on file
Manufacturer of record: O T S I

Identification

NSN: 5950-00-927-5977
NIIN: 009275977
FSC: 5950 — Coils and Transformers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 20259-0978
Manufacturer: O T S I

General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-927-5977, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is O T S I. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Transformer,audio Frequency
FSC / FSG	5950 — Coils and Transformers (FSG 59)
Manufacturers	O T S I (CAGE 05825)

Technical Specifications

Parameter	Value
NSN	5950-00-927-5977
Primary Part Number	20259-0978
Item Name	Transformer,audio Frequency
FSC / FSG	5950 / 59 — Coils and Transformers
Manufacturer	O T S I
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)

Cross-Reference Index

Part Number	Manufacturer
20259-0978 PRIMARY	O T S I (USA)

No interchangeability data on file.

Other items in FSC 5950 — Coils and Transformers

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 5950-00-927-5977?

NSN 5950-00-927-5977 is a Transformer,audio Frequency, manufactured by O T S I, classified under FSC 5950, Coils and Transformers. Status: active.

What part numbers are listed for NSN 5950-00-927-5977?

NSN 5950-00-927-5977 has 1 manufacturer part number on file: 20259-0978 (O T S I).

Is NSN 5950-00-927-5977 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.

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