PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1885Transformer,radio Frequency

Precision Electronics, Inc · NSN 5950-00-645-4475 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-4475 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-4475. Primary manufacturer part number: 1885.
Features
  • Transformer,radio Frequency — FSC 5950
  • Adjustment Device Drive Type: SLOTTED SCREW SINGLE COMPONENT
  • Rating Method: WINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE SECONDARY
  • Mounting Method: THREADED BUSHING SINGLE GROUP
  • Terminal Type and Quantity: 5 SOLDER STUD
  • Body Length: 1.357 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Series Designator: UNEF SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-645-4475, 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 Precision Electronics, Inc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5950-00-645-4475
Primary Part Number1885
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPrecision Electronics, Inc
StatusACTIVE
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Rating MethodWINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodTHREADED BUSHING SINGLE GROUP
Terminal Type and Quantity5 SOLDER STUD
Body Length1.357 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNEF SINGLE GROUP
Winding Conductor Size0.00397 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
Body Outside Diameter0.720 INCHES NOMINAL IN
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Frequency Rating200.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Turn Quantity109 SINGLE COMPONENT SINGLE PRIMARY
Inductance Rating425.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Conductor Size0.00500 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY IN
Turn Quantity414 SINGLE COMPONENT SINGLE SECONDARY
Coil Form TypeHOLLOW SINGLE COMPONENT
Rating MethodWINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE PRIMARY
Thread Quantity Per Inch32 SINGLE GROUP
Inductance Rating1.34 MILLIHENRIES NOMINAL AND 4.25 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Nominal Thread Size0.375 INCHES SINGLE GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2805-00-354-08221885 INTERCHANGEABLE
Ring Set,piston
Spirolox Inc
2805-00-586-5227X-1856 INTERCHANGEABLE
Valve,poppet,engine
Federal-Mogul Corp Government Sales Dept
5310-00-682-5930 INTERCHANGEABLE
Washer,lock
5310-00-782-13490188-5 INTERCHANGEABLE
Washer,flat
Honeywell International Inc. Dba Honeywell International
5910-00-829-01110180-0063 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
4730-00-885-57949026870 INTERCHANGEABLE
Fitting,lubrication
Us Army Aviation and Missile Command
5331-01-169-4573510-483 INTERCHANGEABLE
O-Ring
Kirby Morgan Dive Systems Inc
5950-01-232-320613575 INTERCHANGEABLE
Coil,electrical
Magnetika Inc
5930-01-238-4446 INTERCHANGEABLE
Switch,push
5905-01-307-6232188-5 INTERCHANGEABLE
Resistor,fixed,film
Vishay Intertechnology, Inc.
Cross-Reference Index
Part NumberManufacturer
1885 Precision Electronics, Inc (USA)
C746106-9 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
C746106-9 Rca Corp Distributor and Special Products Div
Related Parts
2805-00-354-0822INTERCHANGEABLE
RING SET,PISTON
1885
2805-00-586-5227INTERCHANGEABLE
VALVE,POPPET,ENGINE
X-1856
5310-00-682-5930INTERCHANGEABLE
WASHER,LOCK
5310-00-782-1349INTERCHANGEABLE
WASHER,FLAT
0188-5
5910-00-829-0111INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
0180-0063
4730-00-885-5794INTERCHANGEABLE
FITTING,LUBRICATION
9026870
5331-01-169-4573INTERCHANGEABLE
O-RING
510-483
5950-01-232-3206INTERCHANGEABLE
COIL,ELECTRICAL
13575
5930-01-238-4446INTERCHANGEABLE
SWITCH,PUSH
5905-01-307-6232INTERCHANGEABLE
RESISTOR,FIXED,FILM
188-5
5310-01-491-8808INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1885

Frequently Asked Questions

What is NSN 5950-00-645-4475?

NSN 5950-00-645-4475 is a Transformer,radio Frequency, manufactured by Precision Electronics, Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-4475?

NSN 5950-00-645-4475 has 3 cross-referenced part numbers: 1885 (Precision Electronics, Inc), C746106-9 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), C746106-9 (Rca Corp Distributor and Special Products Div).

What NSN replaces 5950-00-645-4475?

There are 11 known substitutes for 5950-00-645-4475: 2805-00-354-0822, 2805-00-586-5227, 5310-00-682-5930 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1885?

Key specifications for 1885: Adjustment Device Drive Type: SLOTTED SCREW SINGLE COMPONENT; Rating Method: WINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE SECONDARY; Mounting Method: THREADED BUSHING SINGLE GROUP; Terminal Type and Quantity: 5 SOLDER STUD. 22 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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