PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45221-404Reactor

The Boeing Company Div Legacy Boeing Hb1 · NSN 5950-00-660-7170 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-660-7170 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-660-7170. Primary manufacturer part number: 45221-404.
Features
  • Reactor — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Inductance Type: FIXED
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.468 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.945 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Winding Quantity: 1 SINGLE COMPONENT
  • Body Height: 1.875 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-660-7170, 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 The Boeing Company Div Legacy Boeing Hb1. Government technical data includes 16 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-660-7170
Primary Part Number45221-404
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerThe Boeing Company Div Legacy Boeing Hb1
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Inductance TypeFIXED
Center to Center Distance Between Mounting Facilities Parallel to Width1.468 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.945 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Quantity1 SINGLE COMPONENT
Body Height1.875 INCHES NOMINAL IN
Body Width1.938 INCHES NOMINAL IN
Body Length2.500 INCHES NOMINAL IN
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Inclosure TypeHERMETICALLY SEALED
DC Resistance Rating in Ohms7.700 SINGLE COMPONENT SINGLE WINDING
Terminal Type and Quantity2 SOLDER STUD
Winding Operating Current250.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Mounting Facility Quantity4 SINGLE GROUP
Inductance Rating1.25 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4820-00-016-1016665200-2 INTERCHANGEABLE
Valve,restrictor Check
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
2810-00-069-958374802 INTERCHANGEABLE
Valve,exhaust Rotat
Textron Lycoming Inc Williamsport Plant
5815-00-127-204174052 INTERCHANGEABLE
Track,teletypewrite
Telemechanics Inc
4730-00-845-5345SAE J514-2 2-2 080202CA INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
4310-00-929-5672 INTERCHANGEABLE
Piston,compressor
5307-01-390-648774052 INTERCHANGEABLE
Stud,plain
Generac Corp
Cross-Reference Index
Part NumberManufacturer
45221-404 PRIMARY The Boeing Company Div Legacy Boeing Hb1 (USA)
74052 Permalab Equipment Corp (USA)
Related Parts
4820-00-016-1016INTERCHANGEABLE
VALVE,RESTRICTOR CHECK
665200-2
2810-00-069-9583INTERCHANGEABLE
VALVE,EXHAUST ROTAT
74802
5815-00-127-2041INTERCHANGEABLE
TRACK,TELETYPEWRITE
74052
4730-00-845-5345INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J514-2 2-2 080202CA
4310-00-929-5672INTERCHANGEABLE
PISTON,COMPRESSOR
5307-01-390-6487INTERCHANGEABLE
STUD,PLAIN
74052

Frequently Asked Questions

What is NSN 5950-00-660-7170?

NSN 5950-00-660-7170 is a Reactor, manufactured by The Boeing Company Div Legacy Boeing Hb1, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-660-7170?

NSN 5950-00-660-7170 has 2 cross-referenced part numbers: 45221-404 (The Boeing Company Div Legacy Boeing Hb1), 74052 (Permalab Equipment Corp).

What NSN replaces 5950-00-660-7170?

There are 6 known substitutes for 5950-00-660-7170: 4820-00-016-1016, 2810-00-069-9583, 5815-00-127-2041 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45221-404?

Key specifications for 45221-404: Reliability Indicator: NOT ESTABLISHED; Inductance Type: FIXED; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.468 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.945 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 16 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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