PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31251Transformer,radio Frequency

Pax Mfg Corp Hammarlund Mfg Co Div · NSN 5950-00-268-8986 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-268-8986 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-268-8986. Primary manufacturer part number: 31251.
Features
  • Transformer,radio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Inclosure Type: OPEN
  • Winding Function and Quantity: 1 PRIMARY SINGLE COMPONENT
  • Body Outside Diameter: 0.500 INCHES NOMINAL IN
  • Coil Form Type: HOLLOW SINGLE COMPONENT
  • Frequency Rating: 3.45 MEGAHERTZ MINIMUM AND 7.4 MEGAHERTZ MAXIMUM SINGLE COMPONENT
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-268-8986, 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 11 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: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-268-8986
Primary Part Number31251
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPax Mfg Corp Hammarlund Mfg Co Div
StatusCANCELLED
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeOPEN
Winding Function and Quantity1 PRIMARY SINGLE COMPONENT
Body Outside Diameter0.500 INCHES NOMINAL IN
Coil Form TypeHOLLOW SINGLE COMPONENT
Frequency Rating3.45 MEGAHERTZ MINIMUM AND 7.4 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE GROUP IN
Body Length1.438 INCHES NOMINAL IN
Terminal Type and Quantity3 TAB, SOLDER LUG
Mounting Facility Quantity2 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5940-00-549-460531251 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5315-00-563-135031251 INTERCHANGEABLE
Pin,straight,headless
Pdi Ground Support Systems, Inc.
4730-00-693-998931251 INTERCHANGEABLE
Strainer Element,sediment
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
9150-00-804-103631-381 INTERCHANGEABLE
No Item Name Available
Ideal Industries, Inc.
5935-00-810-39333125-1 INTERCHANGEABLE
Connector,receptacle,electrical
Microwave Devices Inc
1630-01-010-93373-1251 INTERCHANGEABLE
Wheel,landing Gear
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
Cross-Reference Index
Part NumberManufacturer
31251 PRIMARY Pax Mfg Corp Hammarlund Mfg Co Div (USA)
Related Parts
5940-00-549-4605INTERCHANGEABLE
TERMINAL,LUG
31251
5315-00-563-1350INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
31251
4730-00-693-9989INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
31251
9150-00-804-1036INTERCHANGEABLE
NO ITEM NAME AVAILABLE
31-381
5935-00-810-3933INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3125-1
1630-01-010-9337INTERCHANGEABLE
WHEEL,LANDING GEAR
3-1251

Frequently Asked Questions

What is NSN 5950-00-268-8986?

NSN 5950-00-268-8986 is a Transformer,radio Frequency, manufactured by Pax Mfg Corp Hammarlund Mfg Co Div, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-268-8986?

NSN 5950-00-268-8986 has 1 cross-referenced part number: 31251 (Pax Mfg Corp Hammarlund Mfg Co Div).

What NSN replaces 5950-00-268-8986?

There are 6 known substitutes for 5950-00-268-8986: 5940-00-549-4605, 5315-00-563-1350, 4730-00-693-9989 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31251?

Key specifications for 31251: Reliability Indicator: NOT ESTABLISHED; Inclosure Type: OPEN; Winding Function and Quantity: 1 PRIMARY SINGLE COMPONENT; Body Outside Diameter: 0.500 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-268-8986 still in active supply?

NSN 5950-00-268-8986 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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