The Waveguide Assembly, cataloged under National Stock Number 5985-01-540-5503, 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 Atlantic Microwave Corporation Div Cobham Electronic Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-540-5503 |
| Primary Part Number | AMC1839 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Atlantic Microwave Corporation Div Cobham Electronic Systems |
| Status | ACTIVE |
| Style Designator | OFFSET BEND TYPE |
| Insertion Loss in Decibels | 0.25 |
| 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 |
|---|---|
| AMC1839 PRIMARY | Atlantic Microwave Corporation Div Cobham Electronic Systems (USA) |
| Reference | Meaning |
|---|---|
| 561R075H03 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5985-01-540-5503 is a Waveguide Assembly, manufactured by Atlantic Microwave Corporation Div Cobham Electronic Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-540-5503 has 1 manufacturer part number on file: AMC1839 (Atlantic Microwave Corporation Div Cobham Electronic Systems).
Key specifications for AMC1839: Style Designator: OFFSET BEND TYPE; Insertion Loss in Decibels: 0.25; Special Features: WEIGHT,0.80 OZ;EXTERIOR, EXCEPT FLANGE MATING SURFACES, FINISHED WITH ONE COAT OF PRIMER IAW MIL-P-23377 AND TWO COATS ALIPHATIC POLYURETHANE IAW MIL-C-46168 OZ; Part Name Assigned by Controlling Agency: WAVEGUIDE ASSEMBLY,LONGBOW,TRANSMIT AND CALIBRATION. 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 5985-01-540-5503 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.