PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31259Transformer,radio Frequency

Pax Mfg Corp Hammarlund Mfg Co Div · NSN 5950-00-645-2804 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-2804 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-2804. Primary manufacturer part number: 31259.
Features
  • Transformer,radio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Conductor Size: 0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
  • Turn Quantity: 6-1/4 SINGLE COMPONENT SINGLE PRIMARY
  • Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
  • Winding Conductor Size: 0.02535 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY IN
  • Inclosure Type: OPEN
  • Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-645-2804, 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 Pax Mfg Corp Hammarlund Mfg Co Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-2804
Primary Part Number31259
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPax Mfg Corp Hammarlund Mfg Co Div
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Conductor Size0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
Turn Quantity6-1/4 SINGLE COMPONENT SINGLE PRIMARY
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
Winding Conductor Size0.02535 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY IN
Inclosure TypeOPEN
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity4 TAB, SOLDER LUG
Coil Form TypeSOLID SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Turn Quantity9-5/6 SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating14.8 MEGAHERTZ MINIMUM AND 29.7 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Body Outside Diameter0.520 INCHES NOMINAL IN
Body Length1.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5935-00-254-33882080-5055-00 INTERCHANGEABLE
Adapter,connector
Tyco Electronics Corp
5935-00-833-85618338561 INTERCHANGEABLE
Shell,electrical Connector
U S Army Tank Automotive Command Amsta-Im-Mm
3040-01-444-8876 INTERCHANGEABLE
Housing,mechanical Drive
5985-01-469-275131259 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5306-01-580-4589 INTERCHANGEABLE
Bolt,machine
5305-01-589-3983 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
31259 PRIMARY Pax Mfg Corp Hammarlund Mfg Co Div (USA)
Related Parts
5935-00-254-3388INTERCHANGEABLE
ADAPTER,CONNECTOR
2080-5055-00
5935-00-833-8561INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
8338561
3040-01-444-8876INTERCHANGEABLE
HOUSING,MECHANICAL DRIVE
5985-01-469-2751INTERCHANGEABLE
COUPLER,DIRECTIONAL
31259
5306-01-580-4589INTERCHANGEABLE
BOLT,MACHINE
5305-01-589-3983INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 5950-00-645-2804?

NSN 5950-00-645-2804 is a Transformer,radio Frequency, manufactured by Pax Mfg Corp Hammarlund Mfg Co Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-2804?

NSN 5950-00-645-2804 has 1 cross-referenced part number: 31259 (Pax Mfg Corp Hammarlund Mfg Co Div).

What NSN replaces 5950-00-645-2804?

There are 6 known substitutes for 5950-00-645-2804: 5935-00-254-3388, 5935-00-833-8561, 3040-01-444-8876 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31259?

Key specifications for 31259: Reliability Indicator: NOT ESTABLISHED; Winding Conductor Size: 0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN; Turn Quantity: 6-1/4 SINGLE COMPONENT SINGLE PRIMARY; Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY. 15 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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