PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1003745Waveguide Assembly

Viasat Inc Dba Viasat Inc · NSN 5985-01-563-5581 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-563-5581 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-563-5581. Primary manufacturer part number: 1003745.
Features
  • Waveguide Assembly — FSC 5985
  • 2 verified cross-references
  • Primary manufacturer: Viasat Inc Dba Viasat Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-01-563-5581, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Viasat Inc Dba Viasat Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWaveguide Assembly
FSC / FSG5985 — No Item Name Available (FSG 59)
ManufacturersViasat Inc Dba Viasat Inc (CAGE 1Q601); Vectrus Systems Corporation Div Vectrus Systems Corporation Docs4 (CAGE 0KMM1)
Technical Specifications
ParameterValue
NSN5985-01-563-5581
Primary Part Number1003745
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerViasat Inc Dba Viasat Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4530-00-383-56441003745 INTERCHANGEABLE
Door,air
Babcock & Wilcox Co
5962-01-035-7478 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
1003745 PRIMARY Viasat Inc Dba Viasat Inc (USA)
1003745 Vectrus Systems Corporation Div Vectrus Systems Corporation Docs4 (USA)
Related Parts
4530-00-383-5644INTERCHANGEABLE
DOOR,AIR
1003745
5962-01-035-7478INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5985-01-563-5581?

NSN 5985-01-563-5581 is a Waveguide Assembly, manufactured by Viasat Inc Dba Viasat Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-563-5581?

NSN 5985-01-563-5581 has 2 cross-referenced part numbers: 1003745 (Viasat Inc Dba Viasat Inc), 1003745 (Vectrus Systems Corporation Div Vectrus Systems Corporation Docs4).

What NSN replaces 5985-01-563-5581?

There are 2 known substitutes for 5985-01-563-5581: 4530-00-383-5644, 5962-01-035-7478. Verify interchangeability with system specifications before substitution.

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