PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

AT4003Horn,waveguide

Amplifier Research Corp Dba Ametek Cts Us · NSN 5985-01-471-1651 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-471-1651 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-471-1651. Primary manufacturer part number: AT4003.
Features
  • Horn,waveguide — FSC 5985
  • Frequency Range Rating: +4.0 TO 8.0 GIGAHERTZ
  • 1 verified cross-reference
  • Primary manufacturer: Amplifier Research Corp Dba Ametek Cts Us
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Horn,waveguide, cataloged under National Stock Number 5985-01-471-1651, 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 Amplifier Research Corp Dba Ametek Cts Us. Government technical data includes 1 verified specification, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-471-1651
Primary Part NumberAT4003
Item NameHorn,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerAmplifier Research Corp Dba Ametek Cts Us
StatusACTIVE
Frequency Range Rating+4.0 TO 8.0 GIGAHERTZ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5180-00-079-3400 INTERCHANGEABLE
Tool Kit,electrical Contact
Cross-Reference Index
Part NumberManufacturer
AT4003 PRIMARY Amplifier Research Corp Dba Ametek Cts Us (USA)
Related Parts
5180-00-079-3400INTERCHANGEABLE
TOOL KIT,ELECTRICAL CONTACT

Frequently Asked Questions

What is NSN 5985-01-471-1651?

NSN 5985-01-471-1651 is a Horn,waveguide, manufactured by Amplifier Research Corp Dba Ametek Cts Us, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-471-1651?

NSN 5985-01-471-1651 has 1 cross-referenced part number: AT4003 (Amplifier Research Corp Dba Ametek Cts Us).

What NSN replaces 5985-01-471-1651?

There is 1 known substitute for 5985-01-471-1651: 5180-00-079-3400. Verify interchangeability with system specifications before substitution.

What are the specifications of AT4003?

Key specifications for AT4003: Frequency Range Rating: +4.0 TO 8.0 GIGAHERTZ; Overall Height: 46.3 MILLIMETERS NOMINAL MM; Overall Width: 46.3 MILLIMETERS NOMINAL MM; Overall Length: 30.5 MILLIMETERS NOMINAL MM. 5 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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