PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GR845AA121ACoil,radio Frequency

Northrop Grumman Systems Corporation · NSN 5950-01-134-5196 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-134-5196 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-134-5196. Primary manufacturer part number: GR845AA121A.
Features
  • Coil,radio Frequency — FSC 5950
  • Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Maximum Operating Temp: 105.0 CELSIUS DEGC
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG
  • Coil Form Type: SOLID SINGLE COMPONENT
  • Body Width: 0.516 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coil,radio Frequency, cataloged under National Stock Number 5950-01-134-5196, 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 Northrop Grumman Systems Corporation. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-134-5196
Primary Part NumberGR845AA121A
Item NameCoil,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Maximum Operating Temp105.0 CELSIUS DEGC
Mounting Facility Quantity2 SINGLE GROUP
Terminal Type and Quantity2 TAB, SOLDER LUG
Coil Form TypeSOLID SINGLE COMPONENT
Body Width0.516 INCHES NOMINAL IN
Body Length1.078 INCHES MAXIMUM IN
Inductance Rating120.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeHERMETICALLY SEALED
DC Resistance Rating in Ohms0.360 SINGLE COMPONENT SINGLE WINDING
Distance Between Mounting Facility Centers0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height1.250 INCHES MAXIMUM IN
Winding Operating Current200.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-001-9441M742-00 INTERCHANGEABLE
Circuit Card Assembly
Compaq Federal Llc
5133-00-189-9276 INTERCHANGEABLE
Drill,twist
3030-00-472-154113331 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
3030-00-529-0468B71 INTERCHANGEABLE
Belt,v
Gates Corporation
5935-00-553-26021333-1 INTERCHANGEABLE
Adapter,connector
Microwave Devices Inc
5950-00-780-7449 INTERCHANGEABLE
Coil,radio Frequency
4730-00-961-7361 INTERCHANGEABLE
Coupling Half,quick Disconnect
6220-01-058-50481333-505 INTERCHANGEABLE
Light,navigational,aircraft
Control Products Corporation
5950-01-179-7929229-10678-3 INTERCHANGEABLE
Coil,electrical
The Boeing Company Div Defense
4730-01-257-491340-0000142 INTERCHANGEABLE
Plug,pipe
Brinkley Technology Group Llc Dba Hercules Manufacturing
Cross-Reference Index
Part NumberManufacturer
BLF-612 United Transformer Corp Sub of Opt Industries Inc (USA)
M74-2 Torotel, Inc. Div Torotel Products, Inc. (USA)
13331 Standex Electronics, Inc. (USA)
BLF-612 Magnetika Inc (USA)
GR845AA121A PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
5998-00-001-9441INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
M742-00
5133-00-189-9276INTERCHANGEABLE
DRILL,TWIST
3030-00-472-1541INTERCHANGEABLE
BELT,V
13331
3030-00-529-0468INTERCHANGEABLE
BELT,V
B71
5935-00-553-2602INTERCHANGEABLE
ADAPTER,CONNECTOR
1333-1
5950-00-780-7449INTERCHANGEABLE
COIL,RADIO FREQUENCY
4730-00-961-7361INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
6220-01-058-5048INTERCHANGEABLE
LIGHT,NAVIGATIONAL,AIRCRAFT
1333-505
5950-01-179-7929INTERCHANGEABLE
COIL,ELECTRICAL
229-10678-3
4730-01-257-4913INTERCHANGEABLE
PLUG,PIPE
40-0000142
5342-01-296-0200INTERCHANGEABLE
CAP,SHORTING
4730-01-393-2194INTERCHANGEABLE
WYE,TRUE,PIPE
G386694-1

Frequently Asked Questions

What is NSN 5950-01-134-5196?

NSN 5950-01-134-5196 is a Coil,radio Frequency, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-134-5196?

NSN 5950-01-134-5196 has 5 cross-referenced part numbers: BLF-612 (United Transformer Corp Sub of Opt Industries Inc), M74-2 (Torotel, Inc. Div Torotel Products, Inc.), 13331 (Standex Electronics, Inc.), BLF-612 (Magnetika Inc), GR845AA121A (Northrop Grumman Systems Corporation).

What NSN replaces 5950-01-134-5196?

There are 12 known substitutes for 5950-01-134-5196: 5998-00-001-9441, 5133-00-189-9276, 3030-00-472-1541 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GR845AA121A?

Key specifications for GR845AA121A: Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN; Mounting Method: THREADED HOLE(S) SINGLE GROUP; Maximum Operating Temp: 105.0 CELSIUS DEGC; Mounting Facility Quantity: 2 SINGLE GROUP. 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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