PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42357Probe,waveguide

Frontgrade Technologies Inc. · NSN 5985-00-504-2218 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-504-2218 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-504-2218. Primary manufacturer part number: 42357.
Features
  • Probe,waveguide — FSC 5985
  • Frequency Rating: 2.860 GIGAHERTZ MINIMUM AND 2.900 GIGAHERTZ MAXIMUM
  • Overall Diameter: 0.438 INCHES NOMINAL IN
  • Precious Material and Location: EXTERNAL SURFACES SILVER
  • Precious Material: SILVER
  • Body Surface Treatment: SILVER PLATED
  • FSC Application Data: RADAR EQUIPMENT,EXCEPT AIRBORNE
  • 2 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Probe,waveguide, cataloged under National Stock Number 5985-00-504-2218, 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 Frontgrade Technologies Inc.. Government technical data includes 6 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-504-2218
Primary Part Number42357
Item NameProbe,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerFrontgrade Technologies Inc.
StatusACTIVE
Frequency Rating2.860 GIGAHERTZ MINIMUM AND 2.900 GIGAHERTZ MAXIMUM
Overall Diameter0.438 INCHES NOMINAL IN
Precious Material and LocationEXTERNAL SURFACES SILVER
Precious MaterialSILVER
Body Surface TreatmentSILVER PLATED
FSC Application DataRADAR EQUIPMENT,EXCEPT AIRBORNE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2815-00-179-795242357 INTERCHANGEABLE
Cover,engine Poppet Valve Rocker
Cummins Inc.
5950-00-764-106325N210415 INTERCHANGEABLE
Transformer,audio Frequency
Herley Chicago Dba Stewart Warner Electronics
5962-01-089-278242357 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5360-01-536-876942357 INTERCHANGEABLE
Spring,helical,compression
Tyco Fire Products Lp
Cross-Reference Index
Part NumberManufacturer
42357 PRIMARY Frontgrade Technologies Inc. (USA)
42357 Litton Systems Inc Airtron Div (USA)
Related Parts
2815-00-179-7952INTERCHANGEABLE
COVER,ENGINE POPPET VALVE ROCKER
42357
5950-00-764-1063INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
25N210415
5962-01-089-2782INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42357
5360-01-536-8769INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
42357

Frequently Asked Questions

What is NSN 5985-00-504-2218?

NSN 5985-00-504-2218 is a Probe,waveguide, manufactured by Frontgrade Technologies Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-504-2218?

NSN 5985-00-504-2218 has 2 cross-referenced part numbers: 42357 (Frontgrade Technologies Inc.), 42357 (Litton Systems Inc Airtron Div).

What NSN replaces 5985-00-504-2218?

There are 4 known substitutes for 5985-00-504-2218: 2815-00-179-7952, 5950-00-764-1063, 5962-01-089-2782 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42357?

Key specifications for 42357: Frequency Rating: 2.860 GIGAHERTZ MINIMUM AND 2.900 GIGAHERTZ MAXIMUM; Overall Diameter: 0.438 INCHES NOMINAL IN; Overall Length: 2.182 INCHES NOMINAL IN; Precious Material and Location: EXTERNAL SURFACES SILVER. 7 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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