PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

684A3Tuner,waveguide

Bae Systems Information and Electronic Systems Integration Inc. · NSN 5985-00-642-7418 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-642-7418 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-642-7418. Primary manufacturer part number: 684A3.
Features
  • Tuner,waveguide — FSC 5985
  • Material: COPPER ALLOY
  • FSC Application Data: TEST EQUIPMENT
  • Adjustment Method: INSIDE SLIDING
  • 2 verified cross-references
  • Primary manufacturer: Bae Systems Information and Electronic Systems Integration Inc.
Applications
  • Applications requiring Copper Alloy construction
General Description

The Tuner,waveguide, cataloged under National Stock Number 5985-00-642-7418, 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 Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 3 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-642-7418
Primary Part Number684A3
Item NameTuner,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusCANCELLED
MaterialCOPPER ALLOY
FSC Application DataTEST EQUIPMENT
Adjustment MethodINSIDE SLIDING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-063707204 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Bearings Incorporated Div West Trenton Division
3110-00-155-6391204MF INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3110-00-156-67647204W INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
3110-00-156-752238571 INTERCHANGEABLE
Bearing,ball,annular
Itw Food Equipment Group Llc Dba Hobart Service
5130-00-283-3231PC700D INTERCHANGEABLE
Drill,electric,portable
Porter Cable Corp
9320-00-351-8193P5071-2-1-36-36 INTERCHANGEABLE
Rubber Sheet,cellular
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
3110-00-409-30167204ABEC3 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5935-00-549-1159UG514U INTERCHANGEABLE
Adapter,connector
Joint Electronics Type Designation System
5930-00-778-91401781002 INTERCHANGEABLE
Switch,rotary
Honeywell International Inc. Dba Honeywell International
5915-00-784-9322720-4 INTERCHANGEABLE
Filter,band Pass
Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc
Cross-Reference Index
Part NumberManufacturer
684A3 Bae Systems Information and Electronic Systems Integration Inc. (USA)
7204 Mkc Electronics Corp (USA)
Related Parts
3110-00-100-0637INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
07204
3110-00-155-6391INTERCHANGEABLE
BEARING,BALL,ANNULAR
204MF
3110-00-156-6764INTERCHANGEABLE
BEARING,BALL,ANNULAR
7204W
3110-00-156-7522INTERCHANGEABLE
BEARING,BALL,ANNULAR
38571
5130-00-283-3231INTERCHANGEABLE
DRILL,ELECTRIC,PORTABLE
PC700D
9320-00-351-8193INTERCHANGEABLE
RUBBER SHEET,CELLULAR
P5071-2-1-36-36
3110-00-409-3016INTERCHANGEABLE
BEARING,BALL,ANNULAR
7204ABEC3
5935-00-549-1159INTERCHANGEABLE
ADAPTER,CONNECTOR
UG514U
5930-00-778-9140INTERCHANGEABLE
SWITCH,ROTARY
1781002
5915-00-784-9322INTERCHANGEABLE
FILTER,BAND PASS
720-4
4720-01-219-2018INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
7690-01-241-4933INTERCHANGEABLE
LABEL
7204

Frequently Asked Questions

What is NSN 5985-00-642-7418?

NSN 5985-00-642-7418 is a Tuner,waveguide, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-642-7418?

NSN 5985-00-642-7418 has 2 cross-referenced part numbers: 684A3 (Bae Systems Information and Electronic Systems Integration Inc.), 7204 (Mkc Electronics Corp).

What NSN replaces 5985-00-642-7418?

There are 12 known substitutes for 5985-00-642-7418: 3110-00-100-0637, 3110-00-155-6391, 3110-00-156-6764 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 684A3?

Key specifications for 684A3: Material: COPPER ALLOY; Overall Width: 3.250 INCHES NOMINAL IN; FSC Application Data: TEST EQUIPMENT; Overall Depth: 3.250 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-642-7418 still in active supply?

NSN 5985-00-642-7418 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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