The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-269-3551, 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 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-269-3551 |
| Primary Part Number | MD13C4D |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Caes Mission Systems Llc |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Switch Type | TRANSFER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| MD13C4D PRIMARY | Caes Mission Systems Llc (USA) |
| 300805 PRIMARY | Caes Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| MT8259-05 | 5/9 Secondary reference Alpha Industries Inc Advanced Products Div |
| 7547516P5 | 5/9 Secondary reference U.S. Government activity |
| 7547516P0005 | 7/9 Vendor item drawing reference U.S. Government activity |
| MA8438-S670 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-269-3551 is a Switch,radio Frequency Transmiss, manufactured by Caes Mission Systems Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-269-3551 has 2 manufacturer part numbers on file: MD13C4D (Caes Mission Systems Llc), 300805 (Caes Systems Llc).
Key specifications for MD13C4D: Overall Height: 0.420 INCHES NOMINAL IN; Criticality Code Justification: FEAT; Overall Length: 1.100 INCHES NOMINAL IN; Overall Width: 1.100 INCHES NOMINAL IN. 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 5985-01-269-3551 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.