PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40801Support,antenna

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5985-00-099-0064 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-099-0064 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-099-0064. Primary manufacturer part number: 40801.
Features
  • Support,antenna — FSC 5985
  • Mounting Facility Circle Radius: 2.250 INCHES NOMINAL IN
  • Mounting Method: UNTHREADED HOLE(S)
  • Mounting Hole Diameter: 0.205 INCHES NOMINAL IN
  • Material: STEEL
  • Overall Diameter: 2.750 INCHES NOMINAL IN
  • Basic Shape Style: SPHERICAL
  • Mounting Facility Quantity: 3
Applications
  • Applications requiring Steel construction
General Description

The Support,antenna, cataloged under National Stock Number 5985-00-099-0064, 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 L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 8 verified specifications, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-099-0064
Primary Part Number40801
Item NameSupport,antenna
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Mounting Facility Circle Radius2.250 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S)
Mounting Hole Diameter0.205 INCHES NOMINAL IN
MaterialSTEEL
Overall Diameter2.750 INCHES NOMINAL IN
Basic Shape StyleSPHERICAL
Mounting Facility Quantity3
Distance Between Mounting Facility Centers0.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-499-1957 INTERCHANGEABLE
Transformer,power
4930-00-701-53051807383PC6 INTERCHANGEABLE
Dome
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5895-01-056-1036SM-D-890301 INTERCHANGEABLE
Control,amplifier
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2030-01-474-215940801 INTERCHANGEABLE
Downstop Assembly
Allied Systems Company Dba Allied Systems Co
6730-01-584-118840801 INTERCHANGEABLE
Screen,projection
Da-Lite Screen Company Inc.
Cross-Reference Index
Part NumberManufacturer
40801 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5950-00-499-1957INTERCHANGEABLE
TRANSFORMER,POWER
4930-00-701-5305INTERCHANGEABLE
DOME
1807383PC6
5895-01-056-1036INTERCHANGEABLE
CONTROL,AMPLIFIER
SM-D-890301
2030-01-474-2159INTERCHANGEABLE
DOWNSTOP ASSEMBLY
40801
6730-01-584-1188INTERCHANGEABLE
SCREEN,PROJECTION
40801

Frequently Asked Questions

What is NSN 5985-00-099-0064?

NSN 5985-00-099-0064 is a Support,antenna, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-099-0064?

NSN 5985-00-099-0064 has 1 cross-referenced part number: 40801 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5985-00-099-0064?

There are 5 known substitutes for 5985-00-099-0064: 5950-00-499-1957, 4930-00-701-5305, 5895-01-056-1036 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40801?

Key specifications for 40801: End Item Identification: RADAR SET,AN/CPN-4; Mounting Facility Circle Radius: 2.250 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S); Mounting Hole Diameter: 0.205 INCHES NOMINAL IN. 9 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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