The Converter,frequency,electronic, cataloged under National Stock Number 5895-01-178-0511, is classified within Federal Supply Class 5895 (Miscellaneous Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Spectrum Microwave, Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5895-01-178-0511 |
| Primary Part Number | FMA2638-4 |
| Item Name | Converter,frequency,electronic |
| FSC / FSG | 5895 / 58 — Miscellaneous Communication Equipment |
| Manufacturer | Spectrum Microwave, Inc. |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Average Life Rating | 30000.0 |
| Inclosure Type | ENCASED |
| Frequency Per Channel | 2.3 GIGAHERTZ MINIMUM OPERATING CHANNEL AND 2.7 GIGAHERTZ MAXIMUM OPERATING CHANNEL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Maximum Operating Altitude Rating | 10000.0 FEET FT |
| Average Life Measurement | HOURS |
| Operating Temp Range | +0.0 TO 50.0 CELSIUS DEGC |
| Installation Design | MECHANICAL |
| External DC Operating Voltage in Volts | 28.0 NOMINAL SINGLE VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FMA2638-4 PRIMARY | Spectrum Microwave, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 303198- 1 | 7/9 Vendor item drawing reference Edo |
NSN 5895-01-178-0511 is a Converter,frequency,electronic, manufactured by Spectrum Microwave, Inc., classified under FSC 5895, Miscellaneous Communication Equipment. Status: active.
NSN 5895-01-178-0511 has 1 manufacturer part number on file: FMA2638-4 (Spectrum Microwave, Inc.).
Key specifications for FMA2638-4: Circuit Construction Type: SOLID STATE; Overall Height: 2.000 INCHES NOMINAL IN; Average Life Rating: 30000.0; Inclosure Type: ENCASED. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5895-01-178-0511 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.