PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-2138-010Transformer,discriminator

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-00-132-4385 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-132-4385 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-132-4385. Primary manufacturer part number: 278-2138-010.
Features
  • Transformer,discriminator — FSC 5950
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Body Width: 1.000 INCHES MAXIMUM IN
  • Body Height: 4.000 INCHES MAXIMUM IN
  • Inclosure Type: HERMETICALLY SEALED
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,discriminator, cataloged under National Stock Number 5950-00-132-4385, 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 15 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-132-4385
Primary Part Number278-2138-010
Item NameTransformer,discriminator
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Mounting Facility Quantity4 SINGLE GROUP
Body Width1.000 INCHES MAXIMUM IN
Body Height4.000 INCHES MAXIMUM IN
Inclosure TypeHERMETICALLY SEALED
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Width3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity10 SOLDER STUD
Winding Function and Quantity2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Body Length3.000 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
7045-01-144-8447 INTERCHANGEABLE
Disk,flexible
5110-01-398-24181819.1 INTERCHANGEABLE
Cutter,cable,hand Operated
Paladin Tools/connectool Inc
4820-01-727-676018191 INTERCHANGEABLE
Disk,rupturable
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
18191 Torotel, Inc. Div Torotel Products, Inc. (USA)
278-2138-010 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
7045-01-144-8447INTERCHANGEABLE
DISK,FLEXIBLE
5110-01-398-2418INTERCHANGEABLE
CUTTER,CABLE,HAND OPERATED
1819.1
4820-01-727-6760INTERCHANGEABLE
DISK,RUPTURABLE
18191

Frequently Asked Questions

What is NSN 5950-00-132-4385?

NSN 5950-00-132-4385 is a Transformer,discriminator, 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 5950-00-132-4385?

NSN 5950-00-132-4385 has 2 cross-referenced part numbers: 18191 (Torotel, Inc. Div Torotel Products, Inc.), 278-2138-010 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 5950-00-132-4385?

There are 3 known substitutes for 5950-00-132-4385: 7045-01-144-8447, 5110-01-398-2418, 4820-01-727-6760. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-2138-010?

Key specifications for 278-2138-010: Mounting Facility Quantity: 4 SINGLE GROUP; Body Width: 1.000 INCHES MAXIMUM IN; Body Height: 4.000 INCHES MAXIMUM IN; Inclosure Type: HERMETICALLY SEALED. 15 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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