PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-1638Transformer,pulse

Bourns Instruments Inc · NSN 5950-01-090-5612 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-090-5612 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-090-5612. Primary manufacturer part number: 1-1638.
Features
  • Transformer,pulse — FSC 5950
  • Terminal Type and Quantity: 10 WIRE LEAD
  • DC Resistance Rating in Ohms: 0.650 SINGLE COMPONENT FIFTH SECONDARY
  • Inclosure Type: FULLY INCLOSED
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Pulse Repetition Rate: 10.0 KILOHERTZ SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • 2 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,pulse, cataloged under National Stock Number 5950-01-090-5612, 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 Bourns Instruments Inc. Government technical data includes 6 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-090-5612
Primary Part Number1-1638
Item NameTransformer,pulse
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBourns Instruments Inc
StatusACTIVE
Terminal Type and Quantity10 WIRE LEAD
DC Resistance Rating in Ohms0.650 SINGLE COMPONENT FIFTH SECONDARY
Inclosure TypeFULLY INCLOSED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Pulse Repetition Rate10.0 KILOHERTZ SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
9540-00-145-5815 INTERCHANGEABLE
Angle,structural
5940-00-177-79391163-3-8 INTERCHANGEABLE
Terminal,lug
Raytheon Company Dba Raytheon
2540-00-354-8752 INTERCHANGEABLE
Cushion,seat,vehicular
5945-00-430-357620-050-5 INTERCHANGEABLE
Relay,under Frequency
Te Connectivity Corporation
5136-00-528-229854761 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5930-00-868-3022 INTERCHANGEABLE
Switch,toggle
4730-01-008-964411638 INTERCHANGEABLE
Restrictor,fluid Flow
Elbitamerica, Inc.
5962-01-048-6860LM117KSTEEL/883B INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
3120-01-215-256211638 INTERCHANGEABLE
Bushing,sleeve
Leslie Controls, Inc. Dba Leslie Controls Inc
4140-01-305-9101 INTERCHANGEABLE
Housing,centrifugal Fan
Cross-Reference Index
Part NumberManufacturer
1-1638 Bourns Instruments Inc (USA)
578R934 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
9540-00-145-5815INTERCHANGEABLE
ANGLE,STRUCTURAL
5940-00-177-7939INTERCHANGEABLE
TERMINAL,LUG
1163-3-8
2540-00-354-8752INTERCHANGEABLE
CUSHION,SEAT,VEHICULAR
5945-00-430-3576INTERCHANGEABLE
RELAY,UNDER FREQUENCY
20-050-5
5136-00-528-2298INTERCHANGEABLE
TAP,THREAD CUTTING
54761
5930-00-868-3022INTERCHANGEABLE
SWITCH,TOGGLE
4730-01-008-9644INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
11638
5962-01-048-6860INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM117KSTEEL/883B
3120-01-215-2562INTERCHANGEABLE
BUSHING,SLEEVE
11638
4140-01-305-9101INTERCHANGEABLE
HOUSING,CENTRIFUGAL FAN
8305-01-467-4552INTERCHANGEABLE
STYLE 116 FIBERGLAS

Frequently Asked Questions

What is NSN 5950-01-090-5612?

NSN 5950-01-090-5612 is a Transformer,pulse, manufactured by Bourns Instruments Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-090-5612?

NSN 5950-01-090-5612 has 2 cross-referenced part numbers: 1-1638 (Bourns Instruments Inc), 578R934 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5950-01-090-5612?

There are 11 known substitutes for 5950-01-090-5612: 9540-00-145-5815, 5940-00-177-7939, 2540-00-354-8752 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-1638?

Key specifications for 1-1638: Terminal Type and Quantity: 10 WIRE LEAD; DC Resistance Rating in Ohms: 0.650 SINGLE COMPONENT FIFTH SECONDARY; Inclosure Type: FULLY INCLOSED; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 8 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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