The Attenuator,variable, cataloged under National Stock Number 5985-00-173-6317, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-173-6317 |
| Primary Part Number | B0409523PT1 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 TERMINAL WITH MOUNTING HOLES |
| Frequency Range | 8.500 GIGAHERTZ MINIMUM AND 9.600 GIGAHERTZ MAXIMUM |
| Overall Attenuation Range in Decibels | +0.0 TO 40.0 |
| Voltage Standing Wave Ratio | 4.00 |
| Unthreaded Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Attenuation Variation Method | CONTINUOUS |
| Application Design | WAVEGUIDE |
| Terminal Type and Quantity | 2 FLANGE |
| 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 |
|---|---|
| B0409523-12 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| B0409523PT1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| B0409523-12 | 5/9 Secondary reference American Telephone and Telegraph Co |
| B0409523PT1 | 5/9 Secondary reference American Telephone and Telegraph Co |
| B0409523-12 | 5/9 Secondary reference At and T Corp |
NSN 5985-00-173-6317 is a Attenuator,variable, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-173-6317 has 2 manufacturer part numbers on file: B0409523-12 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), B0409523PT1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for B0409523PT1: Mounting Facility Type and Quantity: 4 TERMINAL WITH MOUNTING HOLES; Overall Height: 2.750 INCHES NOMINAL IN; Frequency Range: 8.500 GIGAHERTZ MINIMUM AND 9.600 GIGAHERTZ MAXIMUM; Overall Attenuation Range in Decibels: +0.0 TO 40.0. 8 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.