PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W131099-5PT77Transformer,audio Frequency

Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin · NSN 5950-00-647-8063 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-647-8063 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-647-8063. Primary manufacturer part number: W131099-5PT77.
Features
  • Transformer,audio Frequency — FSC 5950
  • Body Height: 4.250 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Body Width: 3.281 INCHES NOMINAL IN
  • Inclosure Type: HERMETICALLY SEALED
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Primary to Secondary Turn Ratio: 1 TO 15-7/10 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 5950-00-647-8063, 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 Dba Lockheed Martin Div Lockheed Martin. Government technical data includes 16 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-647-8063
Primary Part NumberW131099-5PT77
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin
StatusACTIVE
Body Height4.250 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Thread Quantity Per Inch32 SINGLE GROUP
Body Width3.281 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Mounting Facility Quantity4 SINGLE GROUP
Primary to Secondary Turn Ratio1 TO 15-7/10 SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Length3.656 INCHES NOMINAL IN
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity7 STANDOFF, SOLDER LUG
Winding Function and Quantity2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3810-00-129-950110158 INTERCHANGEABLE
Carrier
Garwood/feller Inc Garwood Winch Div
5310-00-185-652026P8472 INTERCHANGEABLE
Nut,plain,round
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
1620-00-513-642810158 INTERCHANGEABLE
Fitting,steering Cy
Vmg Inc Dba Progressive Manufacturing
5999-00-532-1816 INTERCHANGEABLE
Clip,electrical
5965-00-716-707869B37519-1 INTERCHANGEABLE
Shell,earphone
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
5360-00-800-532010158 INTERCHANGEABLE
Spring,helical,compression
Lake Shore Systems, Inc.
6625-00-914-5941 INTERCHANGEABLE
Meter,special Scale
4320-00-947-4754 INTERCHANGEABLE
Rotor,clutch
3020-00-969-4608 INTERCHANGEABLE
Gear,spur
4820-01-214-9018111-205-050-139-066 INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp
Cross-Reference Index
Part NumberManufacturer
W131099-5PT77 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
10158 Emerson Electric Co White-Rodgers Div (USA)
Related Parts
3810-00-129-9501INTERCHANGEABLE
CARRIER
10158
5310-00-185-6520INTERCHANGEABLE
NUT,PLAIN,ROUND
26P8472
1620-00-513-6428INTERCHANGEABLE
FITTING,STEERING CY
10158
5999-00-532-1816INTERCHANGEABLE
CLIP,ELECTRICAL
5965-00-716-7078INTERCHANGEABLE
SHELL,EARPHONE
69B37519-1
5360-00-800-5320INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
10158
6625-00-914-5941INTERCHANGEABLE
METER,SPECIAL SCALE
4320-00-947-4754INTERCHANGEABLE
ROTOR,CLUTCH
3020-00-969-4608INTERCHANGEABLE
GEAR,SPUR
4820-01-214-9018INTERCHANGEABLE
STEM,FLUID VALVE
111-205-050-139-066
6610-01-225-2281INTERCHANGEABLE
INDICATOR,FLAG
6685-01-240-8624INTERCHANGEABLE
DAMPENER,FLUID PRESSURE
10158

Frequently Asked Questions

What is NSN 5950-00-647-8063?

NSN 5950-00-647-8063 is a Transformer,audio Frequency, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-647-8063?

NSN 5950-00-647-8063 has 2 cross-referenced part numbers: W131099-5PT77 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 10158 (Emerson Electric Co White-Rodgers Div).

What NSN replaces 5950-00-647-8063?

There are 12 known substitutes for 5950-00-647-8063: 3810-00-129-9501, 5310-00-185-6520, 1620-00-513-6428 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W131099-5PT77?

Key specifications for W131099-5PT77: Body Height: 4.250 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED; Thread Quantity Per Inch: 32 SINGLE GROUP; Body Width: 3.281 INCHES NOMINAL IN. 16 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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