PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18-77-3Reactor

General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations · NSN 5950-01-011-9263 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-011-9263 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-011-9263. Primary manufacturer part number: 18-77-3.
Features
  • Reactor — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Slot Width: 0.125 INCHES NOMINAL SINGLE GROUP IN
  • Inductance Rating: 1.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
  • Winding Operating Current: 9.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Inclosure Type: FULLY INCLOSED
  • Terminal Type and Quantity: 2 WIRE LEAD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-01-011-9263, 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 17 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-011-9263
Primary Part Number18-77-3
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
Center to Center Distance Between Mounting Facilities Parallel to Length1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Slot Width0.125 INCHES NOMINAL SINGLE GROUP IN
Inductance Rating1.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Winding Operating Current9.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity2 WIRE LEAD
Body Width1.250 INCHES MAXIMUM IN
Mounting Facility Quantity4 SINGLE GROUP
Inductance TypeFIXED
Center to Center Distance Between Mounting Facilities Parallel to Width1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Quantity1 SINGLE COMPONENT
Mounting MethodFLANGE AND SLOT SINGLE GROUP
DC Resistance Rating in Ohms0.120 SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Body Height1.530 INCHES MAXIMUM IN
Body Length1.500 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-424-5871SAE J512 4-4 040102B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
6350-01-259-6089 INTERCHANGEABLE
Annunciator
Cross-Reference Index
Part NumberManufacturer
18-77-3 PRIMARY General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations (USA)
Related Parts
4730-00-424-5871INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 4-4 040102B
6350-01-259-6089INTERCHANGEABLE
ANNUNCIATOR

Frequently Asked Questions

What is NSN 5950-01-011-9263?

NSN 5950-01-011-9263 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 5950-01-011-9263?

NSN 5950-01-011-9263 has 1 cross-referenced part number: 18-77-3 (General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations).

What NSN replaces 5950-01-011-9263?

There are 2 known substitutes for 5950-01-011-9263: 4730-00-424-5871, 6350-01-259-6089. Verify interchangeability with system specifications before substitution.

What are the specifications of 18-77-3?

Key specifications for 18-77-3: Center to Center Distance Between Mounting Facilities Parallel to Length: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Slot Width: 0.125 INCHES NOMINAL SINGLE GROUP IN; Inductance Rating: 1.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING; Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING. 17 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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