The Horn,waveguide, cataloged under National Stock Number 5985-01-101-4419, 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 Microlab/fxr Llc. Government technical data includes 7 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 | 5985-01-101-4419 |
| Primary Part Number | S638A |
| Item Name | Horn,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microlab/fxr Llc |
| Status | ACTIVE |
| Throat Height | 0.500 INCHES NOMINAL IN |
| Connection Method | FLANGE |
| Throat Width | 0.750 INCHES NOMINAL IN |
| Surface Treatment | ENAMEL OUTSIDE |
| Surface Treatment | ENAMEL INSIDE |
| Throat Length | 9.350 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| S638A PRIMARY | Microlab/fxr Llc (USA) |
NSN 5985-01-101-4419 is a Horn,waveguide, manufactured by Microlab/fxr Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-101-4419 has 1 manufacturer part number on file: S638A (Microlab/fxr Llc).
Key specifications for S638A: Throat Height: 0.500 INCHES NOMINAL IN; Overall Height: 12.800 INCHES NOMINAL IN; Connection Method: FLANGE; Overall Length: 18.700 INCHES NOMINAL IN. 7 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 5985-01-101-4419 has DEMIL Code D. 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.