PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77C709252-1Transformer,audio Frequency

Lockheed Martin Corporation Div Rms · NSN 5950-00-822-9901 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-822-9901 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-822-9901. Primary manufacturer part number: 77C709252-1.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Distance Between Mounting Facility Centers: 1.112 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Impedance Rating in Ohms: 1500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Frequency Rating: 5.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Body Width: 1.310 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-822-9901, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN5950-00-822-9901
Primary Part Number77C709252-1
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Distance Between Mounting Facility Centers1.112 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Impedance Rating in Ohms1500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Frequency Rating5.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Width1.310 INCHES NOMINAL IN
Thread Quantity Per Inch32 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Mounting Facility Quantity2 SINGLE GROUP
Impedance Rating in Ohms1500.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeHERMETICALLY SEALED
Body Length1.750 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Height1.310 INCHES NOMINAL IN
Terminal Type and Quantity6 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-362-81779B6793 INTERCHANGEABLE
Retainer,packing
Caterpillar Inc Div Caterpillar Defense
5330-00-399-70189857 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5998-00-494-84235984 INTERCHANGEABLE
Electronic Components Assembly
Avo Intl
6680-00-514-5496C85515 INTERCHANGEABLE
Tachometer,mechanical,fixed Moun
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-589-46415984 INTERCHANGEABLE
Transformer,current
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
6150-00-636-78336367833 INTERCHANGEABLE
Lead,storage Battery
Wire-Pro, Inc Dba Wpi-Salem Division
5330-00-641-3102103185 INTERCHANGEABLE
Seal,plain Encased
Clark Material Handling Company
6145-00-663-6058NN184719 INTERCHANGEABLE
Wire,electrical
Prysmian Cables and Systems Usa, Llc Div Manufacturing Plant
5342-01-095-2188598-4 INTERCHANGEABLE
Clamp
Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins
6515-01-160-8622 INTERCHANGEABLE
Catheterization Kit,urethral
Cross-Reference Index
Part NumberManufacturer
77C709252P1 Lockheed Martin Corporation Div Rms (USA)
5984 Precision Electronics, Inc (USA)
77C709252-1 PRIMARY Lockheed Martin Corporation Div Rms (USA)
77C709252P001 Lockheed Martin Corporation Div Rms (USA)
9T35Y2234 General Electric Co Specialty Transformer Dept (USA)
Related Parts
5330-00-362-8177INTERCHANGEABLE
RETAINER,PACKING
9B6793
5330-00-399-7018INTERCHANGEABLE
GASKET
9857
5998-00-494-8423INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
5984
6680-00-514-5496INTERCHANGEABLE
TACHOMETER,MECHANICAL,FIXED MOUN
C85515
5950-00-589-4641INTERCHANGEABLE
TRANSFORMER,CURRENT
5984
6150-00-636-7833INTERCHANGEABLE
LEAD,STORAGE BATTERY
6367833
5330-00-641-3102INTERCHANGEABLE
SEAL,PLAIN ENCASED
103185
6145-00-663-6058INTERCHANGEABLE
WIRE,ELECTRICAL
NN184719
5342-01-095-2188INTERCHANGEABLE
CLAMP
598-4
6515-01-160-8622INTERCHANGEABLE
CATHETERIZATION KIT,URETHRAL
5999-01-201-7739INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5984
5330-01-531-4952INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
5984

Frequently Asked Questions

What is NSN 5950-00-822-9901?

NSN 5950-00-822-9901 is a Transformer,audio Frequency, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-822-9901?

NSN 5950-00-822-9901 has 5 cross-referenced part numbers: 77C709252P1 (Lockheed Martin Corporation Div Rms), 5984 (Precision Electronics, Inc), 77C709252-1 (Lockheed Martin Corporation Div Rms), 77C709252P001 (Lockheed Martin Corporation Div Rms), 9T35Y2234 (General Electric Co Specialty Transformer Dept).

What NSN replaces 5950-00-822-9901?

There are 12 known substitutes for 5950-00-822-9901: 5330-00-362-8177, 5330-00-399-7018, 5998-00-494-8423 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77C709252-1?

Key specifications for 77C709252-1: Reliability Indicator: NOT ESTABLISHED; Distance Between Mounting Facility Centers: 1.112 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP. 17 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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