PartsTable TECHNICAL DATA SHEET
NSN 5985-00-099-0039Government record, cited

Support, Antenna5985-00-099-0039

NSN 5985-00-099-0039 · NIIN 000990039 · Part number 42813
L3harris Technologies, Inc Div Space & Airborne Systems · FSC 5985 — Antennas, Waveguides, and Related Equipment · FSG 59 — Electrical and Electronic Equipment Components · CAGE 24930
Government record, cited
NSN 5985-00-099-0039 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-099-0039. Manufacturer of record part number: 42813.
Also searched as  5985-00-099-0039 · 5985000990039 · NIIN 000990039 · 00-099-0039 · FSC 5985 Antennas, Waveguides, and Related Equipment · CAGE 24930 · 42813
Nearby stock numbers  ·
Features
  • Support,antenna — FSC 5985
  • FSC Application Data: RADAR EQUIPMENT,EXCEPT AIRBORNE
  • Mounting Facility Quantity: 1
  • Mounting Facility Circle Radius: 0.862 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN
  • Mounting Method: FRICTION
  • Large End Diameter: 1.406 INCHES NOMINAL IN
  • Basic Shape Style: CYLINDRICAL W/FLARED END
  • Small End Diameter: 0.862 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN
Identification
  • NSN: 5985-00-099-0039
  • NIIN: 000990039
  • FSC: 5985 — Antennas, Waveguides, and Related Equipment
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 42813
  • Manufacturer: L3harris Technologies, Inc Div Space & Airborne Systems
General Description

The Support,antenna, cataloged under National Stock Number 5985-00-099-0039, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-099-0039
Primary Part Number42813
Item NameSupport,antenna
FSC / FSG5985 / 59 — Antennas, Waveguides, and Related Equipment
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
FSC Application DataRADAR EQUIPMENT,EXCEPT AIRBORNE
Mounting Facility Quantity1
Mounting Facility Circle Radius0.862 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN
Mounting MethodFRICTION
Large End Diameter1.406 INCHES NOMINAL IN
Basic Shape StyleCYLINDRICAL W/FLARED END
Small End Diameter0.862 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN
MaterialALUMINUM ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL B — Remove Demilitarization Key Points
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
⇄ Related Items 5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-00-737-8818 POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)
5360-00-881-118442813 POSSIBLE MATCH
SPRING,HELICAL,TORSION
Possible match (shared part number)Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5962-01-178-246942813 POSSIBLE MATCH
MICROCIRCUIT,DIGITAL
Possible match (shared part number)Raytheon Company Div Rmd Strategic
5930-01-357-554542813 POSSIBLE MATCH
SWITCH,FLOW
Possible match (shared part number)Thomas Products Llc
8305-01-698-6439M50000C1 POSSIBLE MATCH
WEBBING,TEXTILE
Possible match (shared part number)Brookwood Companies Inc Sub of the Hallwood Group Inc
Cross-Reference Index
Part NumberManufacturer
42813 Beta Engineering, Inc. Dba Beta Engineering Inc (USA)
42813 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
3120-00-737-8818POSSIBLE MATCH
BEARING,SLEEVE
5360-00-881-1184POSSIBLE MATCH
SPRING,HELICAL,TORSION
42813
5962-01-178-2469POSSIBLE MATCH
MICROCIRCUIT,DIGITAL
42813
5930-01-357-5545POSSIBLE MATCH
SWITCH,FLOW
42813
8305-01-698-6439POSSIBLE MATCH
WEBBING,TEXTILE
M50000C1

Frequently Asked Questions

What is NSN 5985-00-099-0039?

NSN 5985-00-099-0039 is a Support,antenna, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.

What part numbers are listed for NSN 5985-00-099-0039?

NSN 5985-00-099-0039 has 2 manufacturer part numbers on file: 42813 (Beta Engineering, Inc. Dba Beta Engineering Inc), 42813 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5985-00-099-0039?

5 possible matches (shared part number, not a government interchangeability claim): 3120-00-737-8818, 5360-00-881-1184, 5962-01-178-2469. Verify interchangeability with system specifications before substitution.

What are the specifications of 42813?

Key specifications for 42813: FSC Application Data: RADAR EQUIPMENT,EXCEPT AIRBORNE; Mounting Facility Quantity: 1; Mounting Facility Circle Radius: 0.862 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN; Mounting Method: FRICTION. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5985-00-099-0039 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

What is the DEMIL code for NSN 5985-00-099-0039?

NSN 5985-00-099-0039 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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