PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B2625Transformer,audio Frequency

Northrop Grumman Corp Precision Products Plant · NSN 5950-00-645-7790 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-7790 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-7790. Primary manufacturer part number: B2625.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Inclosure Type: HERMETICALLY SEALED
  • Maximum Transformer Power Rating: 25.0 WATTS SINGLE COMPONENT
  • Impedance Rating in Ohms: 8000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Winding Operating Current: 250.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY 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 5950-00-645-7790, 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 Corp Precision Products Plant. Government technical data includes 21 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-7790
Primary Part NumberB2625
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Corp Precision Products Plant
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Maximum Transformer Power Rating25.0 WATTS SINGLE COMPONENT
Impedance Rating in Ohms8000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current250.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length3.062 INCHES NOMINAL IN
Terminal Type and Quantity4 TAB, SOLDER LUG
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Winding Operating Current90.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Body Width2.625 INCHES NOMINAL IN
Thread Quantity Per Inch32 SINGLE GROUP
Impedance Rating in Ohms400.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width1.859 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Height4.250 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Primary to Secondary Turn Ratio1 TO 4-7/16 SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.297 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating30.0 HERTZ MINIMUM AND 100.0 HERTZ MAXIMUM SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5325-00-282-007701715 INTERCHANGEABLE
Ring,retaining
Defense Logistics Agency Dba Defense Supply Center Philadelphia
6220-00-723-0424A-3108 INTERCHANGEABLE
Band,coiled
Grimes Aerospace Company
5950-00-859-7829 INTERCHANGEABLE
Transformer,power
5325-01-471-3403A3108 INTERCHANGEABLE
Ring,retaining
Grimes Aerospace Company
Cross-Reference Index
Part NumberManufacturer
B2625 Northrop Grumman Corp Precision Products Plant (USA)
A3108 Atlas Engineering Co (USA)
Related Parts
5325-00-282-0077INTERCHANGEABLE
RING,RETAINING
01715
6220-00-723-0424INTERCHANGEABLE
BAND,COILED
A-3108
5950-00-859-7829INTERCHANGEABLE
TRANSFORMER,POWER
5325-01-471-3403INTERCHANGEABLE
RING,RETAINING
A3108

Frequently Asked Questions

What is NSN 5950-00-645-7790?

NSN 5950-00-645-7790 is a Transformer,audio Frequency, manufactured by Northrop Grumman Corp Precision Products Plant, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-7790?

NSN 5950-00-645-7790 has 2 cross-referenced part numbers: B2625 (Northrop Grumman Corp Precision Products Plant), A3108 (Atlas Engineering Co).

What NSN replaces 5950-00-645-7790?

There are 4 known substitutes for 5950-00-645-7790: 5325-00-282-0077, 6220-00-723-0424, 5950-00-859-7829 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B2625?

Key specifications for B2625: Reliability Indicator: NOT ESTABLISHED; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Maximum Transformer Power Rating: 25.0 WATTS SINGLE COMPONENT. 21 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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