The Attenuator,fixed, cataloged under National Stock Number 5985-01-446-0371, 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 Microwave Devices Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-446-0371 |
| Primary Part Number | MA-75/4BNC |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Devices Inc |
| Status | ACTIVE |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 4.0 |
| Connection Type Per Function | FEMALE INPUT AND FEMALE OUTPUT |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR |
| 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 |
|---|---|
| MA-75/4BNC | Microwave Devices Inc (USA) |
| Reference | Meaning |
|---|---|
| 633-7314-004 | 3/9 Design control — primary reference Telmar Network Technology, Inc. |
| 633-7314-004 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5985-01-446-0371 is a Attenuator,fixed, manufactured by Microwave Devices Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-446-0371 has 1 manufacturer part number on file: MA-75/4BNC (Microwave Devices Inc).
Key specifications for MA-75/4BNC: Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Mounting Method: CONNECTOR; Rf Signal Attenuation in Decibels: 4.0; Overall Length: 2.280 INCHES MINIMUM IN. 6 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 5985-01-446-0371 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.