The Support,antenna, cataloged under National Stock Number 5985-00-216-7057, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-216-7057 |
| Primary Part Number | 45443 |
| Item Name | Support,antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 |
| Mounting Slot Length | 3.188 INCHES NOMINAL IN |
| Overall Diameter | 0.454 INCHES NOMINAL IN |
| Mounting Method | SLOT |
| Basic Shape Style | CYLINDRICAL |
| Thread Class | 2A A |
| Thread Size and Series/type Designator | 45-51 UNF |
| Mounting Slot Width | 0.125 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 45443 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| Reference | Meaning |
|---|---|
| 45443 | 5/9 Secondary reference Diamond Fabrication and Machine Inc |
NSN 5985-00-216-7057 is a Support,antenna, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-216-7057 has 1 manufacturer part number on file: 45443 (L3harris Technologies, Inc Div Space & Airborne Systems).
2 possible matches (shared part number, not a government interchangeability claim): 6220-00-313-2296, 5925-01-724-1209. Verify interchangeability with system specifications before substitution.
Key specifications for 45443: Mounting Facility Quantity: 1; Mounting Slot Length: 3.188 INCHES NOMINAL IN; Overall Diameter: 0.454 INCHES NOMINAL IN; Mounting Method: SLOT. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-00-216-7057 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.