The Attenuator,variable, cataloged under National Stock Number 5985-01-295-2308, 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 Naval Sea Systems Command. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-295-2308 |
| Primary Part Number | 5616777-6 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shaft Type | ROUND, SLOTTED |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 1.5 |
| Bushing Length | 0.570 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 1 PRINTED CIRCUIT |
| Frequency Range | 0.000 MEGAHERTZ MINIMUM AND 200.000 MEGAHERTZ MAXIMUM |
| Shaft Diameter | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Body Style | RECTANGULAR, TERMINALS ON ONE SURFACE |
| Attenuation Accuracy Reference Frequency | 200.0 MEGAHERTZ |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Precious Material | GOLD |
| Overall Attenuation Range in Decibels | +0.0 TO 20.0 |
| Voltage Standing Wave Ratio | 1.30 AND 1.50 |
| Overall Attenuation Accuracy in Decibels | -0.20 TO 0.20 |
| Attenuation Variation Method | CONTINUOUS |
| Shaft Length | 0.600 INCHES NOMINAL IN |
| Precious Material and Location | BOTTOM SURFACES GOLD |
| Application Design | PRINTED CIRCUIT BOARD |
| Terminal Type and Quantity | 4 PIN |
| Power Rating | 0.5 WATTS AVERAGE |
| 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 |
|---|---|
| ARS-1/57311 | Merrimac Industries, Inc (USA) |
| 5616777-6 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| NEP A06 | 5/9 Secondary reference Caes Systems Llc |
NSN 5985-01-295-2308 is a Attenuator,variable, manufactured by Naval Sea Systems Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-295-2308 has 2 manufacturer part numbers on file: ARS-1/57311 (Merrimac Industries, Inc), 5616777-6 (Naval Sea Systems Command).
Key specifications for 5616777-6: Shaft Type: ROUND, SLOTTED; Insertion Loss at Minimum Attenuation in Maximum Decibels: 1.5; Bushing Length: 0.570 INCHES NOMINAL IN; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT. 20 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 5985-01-295-2308 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.