The Attenuator,variable, cataloged under National Stock Number 5985-01-677-9740, 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 Tocos America Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-677-9740 |
| Primary Part Number | AT10P-6.5DB500 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Tocos America Inc |
| Status | ACTIVE |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Frequency Range | 300.0 MEGAHERTZ MINIMUM AND 500.0 MEGAHERTZ MAXIMUM |
| Body Style | IRREGULAR |
| Adjustment Device Type and Quantity | 1 SLOTTED SCREW |
| Overall Attenuation Range in Decibels | +0.4 TO 6.5 |
| Voltage Standing Wave Ratio | 1.29 |
| Attenuation Variation Method | CONTINUOUS |
| Operating Temp Range | -55.0 TO 100.0 CELSIUS DEGC |
| Application Design | AUDIO |
| Terminal Type and Quantity | 3 PIN |
| Power Rating | 0.2 WATTS AVERAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AT10P-6.5DB500 | Tocos America Inc (USA) |
| Reference | Meaning |
|---|---|
| AT10P-6.5DB500 | 3/9 Design control — primary reference Tokyo Cosmos Electric Co. Ltd |
NSN 5985-01-677-9740 is a Attenuator,variable, manufactured by Tocos America Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-677-9740 has 1 manufacturer part number on file: AT10P-6.5DB500 (Tocos America Inc).
Key specifications for AT10P-6.5DB500: Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Overall Height: 16.0 MILLIMETERS NOMINAL MM; Frequency Range: 300.0 MEGAHERTZ MINIMUM AND 500.0 MEGAHERTZ MAXIMUM; Body Style: IRREGULAR. 11 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.
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.