The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-211-0852, 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 Caes Mission Systems Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-211-0852 |
| Primary Part Number | MD-12K12D |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Caes Mission Systems Llc |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO. |
| 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 |
|---|---|
| MD-12K12D | Caes Mission Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 280049P4 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 290049P4 | 1/3 Source control — Government-approved source U.S. Government activity |
| AK75 | C/1 Advisory reference — outside the item-of-supply concept Hyletronics Limited Partnership |
NSN 5985-01-211-0852 is a Switch,radio Frequency Transmiss, manufactured by Caes Mission Systems Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-211-0852 has 1 manufacturer part number on file: MD-12K12D (Caes Mission Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-238-0341. Verify interchangeability with system specifications before substitution.
Key specifications for MD-12K12D: Special Features: TERMINAL QUANTITY: 5; End Item Identification: AN/ALQ-126; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO.. 1 specification is 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 5985-01-211-0852 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.