PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1064AS198Diplexer

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 5985-01-205-2045 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-205-2045 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-205-2045. Primary manufacturer part number: 1064AS198.
Features
  • Diplexer — FSC 5985
  • Electrical Power Source Relationship: OPERATING
  • Transmission Line Type: COAXIAL CABLE
  • 2 verified cross-references
  • Primary manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diplexer, cataloged under National Stock Number 5985-01-205-2045, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 2 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-205-2045
Primary Part Number1064AS198
Item NameDiplexer
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Electrical Power Source RelationshipOPERATING
Transmission Line TypeCOAXIAL CABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-3891385-383A INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5998-00-152-8113M205-00 INTERCHANGEABLE
Circuit Card Assembly
Compaq Federal Llc
3455-00-293-0512 INTERCHANGEABLE
Cutter,milling,metal Slitting
5305-00-423-95925B425 INTERCHANGEABLE
Screw,machine
Caterpillar Inc Div Caterpillar Defense
5930-00-539-7147011-7021 INTERCHANGEABLE
Switch,thermostatic
Contraves Inc
5930-00-548-8934 INTERCHANGEABLE
Switch,thermostatic
3110-00-554-3250102668-624 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6695-01-486-3890M205 INTERCHANGEABLE
Transducer,motional Pickup
Dynalco Controls Corporation
Cross-Reference Index
Part NumberManufacturer
M-205 Stellant Systems Inc (USA)
1064AS198 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
3110-00-100-3891INTERCHANGEABLE
BEARING,ROLLER,TAPERED
385-383A
5998-00-152-8113INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
M205-00
3455-00-293-0512INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
5305-00-423-9592INTERCHANGEABLE
SCREW,MACHINE
5B425
5930-00-539-7147INTERCHANGEABLE
SWITCH,THERMOSTATIC
011-7021
5930-00-548-8934INTERCHANGEABLE
SWITCH,THERMOSTATIC
3110-00-554-3250INTERCHANGEABLE
BEARING,BALL,ANNULAR
102668-624
6695-01-486-3890INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
M205

Frequently Asked Questions

What is NSN 5985-01-205-2045?

NSN 5985-01-205-2045 is a Diplexer, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-205-2045?

NSN 5985-01-205-2045 has 2 cross-referenced part numbers: M-205 (Stellant Systems Inc), 1064AS198 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 5985-01-205-2045?

There are 8 known substitutes for 5985-01-205-2045: 3110-00-100-3891, 5998-00-152-8113, 3455-00-293-0512 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1064AS198?

Key specifications for 1064AS198: Overall Width: 2.130 INCHES NOMINAL IN; Electrical Power Source Relationship: OPERATING; Overall Length: 5.000 INCHES NOMINAL IN; Overall Height: 1.500 INCHES NOMINAL IN. 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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