The Support,antenna, cataloged under National Stock Number 5985-01-283-9134, 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 Rockwell Intl Corp Collins General Aviation Costa Mesa Opns. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-283-9134 |
| Primary Part Number | 20-27-136 |
| Item Name | Support,antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Rockwell Intl Corp Collins General Aviation Costa Mesa Opns |
| Status | ACTIVE |
| Supplementary Features | FOUR MTG SCREWS |
| Basic Shape Style | RECTANGULAR PRISM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 20-27-136 PRIMARY | Rockwell Intl Corp Collins General Aviation Costa Mesa Opns (USA) |
NSN 5985-01-283-9134 is a Support,antenna, manufactured by Rockwell Intl Corp Collins General Aviation Costa Mesa Opns, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-283-9134 has 1 manufacturer part number on file: 20-27-136 (Rockwell Intl Corp Collins General Aviation Costa Mesa Opns).
Key specifications for 20-27-136: Supplementary Features: FOUR MTG SCREWS; Basic Shape Style: RECTANGULAR PRISM; End Item Identification: FMC 20-27 VHF ANTENNA COUPLER. 2 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 5985-01-283-9134 has DEMIL Code Q. 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.