PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

667-0018-00Transformer,audio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-00-772-8438 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-772-8438 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-772-8438. Primary manufacturer part number: 667-0018-00.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Inclosure Type: PARTIALLY INCLOSED, DOUBLE SHELL
  • Mounting Hole Diameter: 0.188 INCHES NOMINAL SINGLE GROUP IN
  • Frequency Rating: 100.0 HERTZ MINIMUM AND 5.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Distance Between Mounting Facility Centers: 2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Height: 2.000 INCHES NOMINAL IN
  • Maximum Transformer Power Rating: 3.0 WATTS SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-772-8438, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-772-8438
Primary Part Number667-0018-00
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE GROUP IN
Frequency Rating100.0 HERTZ MINIMUM AND 5.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Distance Between Mounting Facility Centers2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height2.000 INCHES NOMINAL IN
Maximum Transformer Power Rating3.0 WATTS SINGLE COMPONENT
Impedance Rating in Ohms4.0 NOMINAL AND 500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Transformer FunctionOUTPUT
Body Length1.688 INCHES NOMINAL IN
Winding Operating Current35.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity2 SINGLE GROUP
Impedance Rating in Ohms5000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity5 WIRE LEAD
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Width1.688 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4820-00-467-289911271 INTERCHANGEABLE
Guide,valve Stem
Rps-Fl, Inc. Dba Rps Inc
5999-00-568-2845536481-1 INTERCHANGEABLE
Delay Line
Raytheon Company Dba Raytheon
2805-00-647-0713112-0179 INTERCHANGEABLE
Piston,internal Combustion Engin
Cummins Power Generation Inc.
7040-01-016-5465 INTERCHANGEABLE
Plate Cover
4810-01-057-527011271 INTERCHANGEABLE
CAGE Assembly
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4820-01-146-79361064 PIECE 2 INTERCHANGEABLE
Seat,valve
Down East, Inc.
5930-01-193-566611-271 INTERCHANGEABLE
Switch,push
Eao Switch Corporation
4730-01-312-61141127-1 INTERCHANGEABLE
Thread Piece,union
R & D Machine Rafael Anaya Div Defense Logistics Agency
5315-01-418-5865 INTERCHANGEABLE
Pin,straight,headed
5120-01-673-53771127-1 INTERCHANGEABLE
Carrier,storage Battery,hand
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
11271 Emerson Electric Co White-Rodgers Div (USA)
667-0018-00 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
4820-00-467-2899INTERCHANGEABLE
GUIDE,VALVE STEM
11271
5999-00-568-2845INTERCHANGEABLE
DELAY LINE
536481-1
2805-00-647-0713INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
112-0179
7040-01-016-5465INTERCHANGEABLE
PLATE COVER
4810-01-057-5270INTERCHANGEABLE
CAGE ASSEMBLY
11271
4820-01-146-7936INTERCHANGEABLE
SEAT,VALVE
1064 PIECE 2
5930-01-193-5666INTERCHANGEABLE
SWITCH,PUSH
11-271
4730-01-312-6114INTERCHANGEABLE
THREAD PIECE,UNION
1127-1
5315-01-418-5865INTERCHANGEABLE
PIN,STRAIGHT,HEADED
5120-01-673-5377INTERCHANGEABLE
CARRIER,STORAGE BATTERY,HAND
1127-1
5920-01-720-0491INTERCHANGEABLE
FUSEHOLDER,RECEPTACLE
11271

Frequently Asked Questions

What is NSN 5950-00-772-8438?

NSN 5950-00-772-8438 is a Transformer,audio Frequency, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-772-8438?

NSN 5950-00-772-8438 has 2 cross-referenced part numbers: 11271 (Emerson Electric Co White-Rodgers Div), 667-0018-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 5950-00-772-8438?

There are 11 known substitutes for 5950-00-772-8438: 4820-00-467-2899, 5999-00-568-2845, 2805-00-647-0713 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 667-0018-00?

Key specifications for 667-0018-00: Reliability Indicator: NOT ESTABLISHED; Inclosure Type: PARTIALLY INCLOSED, DOUBLE SHELL; Mounting Hole Diameter: 0.188 INCHES NOMINAL SINGLE GROUP IN; Frequency Rating: 100.0 HERTZ MINIMUM AND 5.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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