PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18-78-1Reactor

General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations · NSN 5950-01-021-6967 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-021-6967 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-021-6967. Primary manufacturer part number: 18-78-1.
Features
  • Reactor — FSC 5950
  • Mounting Method: TERMINAL SINGLE GROUP
  • Terminal Type and Quantity: 2 WIRE LEAD
  • Body Height: 1.125 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Quantity: 1 SINGLE COMPONENT
  • Body Width: 1.188 INCHES NOMINAL IN
  • Inductance Rating: 1.90 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-01-021-6967, 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 General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations. Government technical data includes 14 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-021-6967
Primary Part Number18-78-1
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerGeneral Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations
StatusACTIVE
Mounting MethodTERMINAL SINGLE GROUP
Terminal Type and Quantity2 WIRE LEAD
Body Height1.125 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Winding Quantity1 SINGLE COMPONENT
Body Width1.188 INCHES NOMINAL IN
Inductance Rating1.90 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Inductance TypeFIXED
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
DC Resistance Rating in Ohms0.200 SINGLE COMPONENT SINGLE WINDING
Inclosure TypeOPEN
Winding Operating Current6.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Body Length1.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4320-00-177-181643890 INTERCHANGEABLE
Pump,rotary
Clayton Manufacturing Company
4720-00-461-1546185935 INTERCHANGEABLE
Hose Assembly,metallic
Hyspan Precision Products, Inc.
5120-00-953-341021C2404P018 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
General Electric Company
6625-00-992-253218781 INTERCHANGEABLE
Stop Assembly
Telephonics Corp/prd Instruments
5315-01-049-3921 INTERCHANGEABLE
Pin
6125-01-096-949518781 INTERCHANGEABLE
Cover,motor-Generator
Kurz & Root Generator Company, Llc
5998-01-501-5912 INTERCHANGEABLE
Circuit Card Assembly
6515-01-588-3083TICS.23.10314 INTERCHANGEABLE
Concentrator,oxygen
Tribalco Llc
Cross-Reference Index
Part NumberManufacturer
18-78-1 PRIMARY General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations (USA)
Related Parts
4320-00-177-1816INTERCHANGEABLE
PUMP,ROTARY
43890
4720-00-461-1546INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
185935
5120-00-953-3410INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
21C2404P018
6625-00-992-2532INTERCHANGEABLE
STOP ASSEMBLY
18781
5315-01-049-3921INTERCHANGEABLE
PIN
6125-01-096-9495INTERCHANGEABLE
COVER,MOTOR-GENERATOR
18781
5998-01-501-5912INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6515-01-588-3083INTERCHANGEABLE
CONCENTRATOR,OXYGEN
TICS.23.10314

Frequently Asked Questions

What is NSN 5950-01-021-6967?

NSN 5950-01-021-6967 is a Reactor, manufactured by General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-021-6967?

NSN 5950-01-021-6967 has 1 cross-referenced part number: 18-78-1 (General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations).

What NSN replaces 5950-01-021-6967?

There are 8 known substitutes for 5950-01-021-6967: 4320-00-177-1816, 4720-00-461-1546, 5120-00-953-3410 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18-78-1?

Key specifications for 18-78-1: Mounting Method: TERMINAL SINGLE GROUP; Terminal Type and Quantity: 2 WIRE LEAD; Body Height: 1.125 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED. 14 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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