The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-104-7111, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-104-7111 |
| Primary Part Number | 21 669-003 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Overall Diameter | 0.350 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Maximum Transformer Power Rating | 100.0 MILLIWATTS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 10000.0 MINIMUM AND 12000.0 MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 10000.0 MINIMUM AND 12000.0 MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Specification/standard Data | 81349-MIL-T-27/103 GOVERNMENT SPECIFICATION |
| Maximum Operating Temp | 105.0 CELSIUS DEGC |
| Body Length | 0.406 INCHES MAXIMUM IN |
| Winding Operating Current | 1.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Test Data Document | 81349-MIL-T-27 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Terminal Type and Quantity | 6 WIRE LEAD |
| Hazardous Locations/environmental Protection | VIBRATION RESISTANT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 21 669-003 | Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions (DEU) |
| Reference | Meaning |
|---|---|
| MIL-PRF-27/103 | 4/1 Identification reference U.S. Government activity |
| M27/103-01 | 2/2 Government specification standardization U.S. Government activity |
| MIL-T-27/103 | 5/9 Secondary reference U.S. Government activity |
| 10132748 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5950-01-104-7111 is a Transformer,audio Frequency, manufactured by Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-104-7111 has 1 manufacturer part number on file: 21 669-003 (Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions).
10 possible matches (shared part number, not a government interchangeability claim): 5950-01-112-0085, 5950-01-115-6904, 5950-01-117-9896. Verify interchangeability with system specifications before substitution.
Key specifications for 21 669-003: Inclosure Type: FULLY INCLOSED; Overall Diameter: 0.350 INCHES MAXIMUM IN; Mounting Method: TERMINAL SINGLE GROUP; Maximum Transformer Power Rating: 100.0 MILLIWATTS SINGLE COMPONENT. 16 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.