The Attenuator,fixed, cataloged under National Stock Number 5985-00-414-7882, 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 Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-414-7882 |
| Primary Part Number | G128-323-001 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Waveguide Flange Type | COVER |
| FSC Application Data | RADAR ANTENNA SUPPORT SET AND RADOMES,EXCEPT SPECIALLY DESIGNED |
| Mounting Hole/stud Quantity | 4 |
| Frequency Range | 13.270 GIGAHERTZ MINIMUM AND 13.380 GIGAHERTZ MAXIMUM |
| Inside Width | 0.705 INCHES NOMINAL IN |
| Body Style | RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Voltage Standing Wave Ratio | 1.25 |
| Waveguide Flange Designation | UG-419/U |
| Mounting Method | UNTHREADED HOLE(S) |
| Rf Signal Attenuation in Decibels | 10.0 |
| Unthreaded Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 0.497 INCHES NOMINAL IN |
| Waveguide Designation | RG-91/U |
| Connection Type Per Function | FEMALE INPUT AND MALE OUTPUT |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.478 INCHES NOMINAL IN |
| Application Design | WAVEGUIDE |
| Material | COPPER ALLOY BODY |
| Inside Height | 0.394 INCHES NOMINAL IN |
| Terminal Type and Quantity | 2 FLANGE |
| 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 |
|---|---|
| G128-323-001 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| Reference | Meaning |
|---|---|
| G128-323-001 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-414-7882 is a Attenuator,fixed, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-414-7882 has 1 manufacturer part number on file: G128-323-001 (Bae Systems Information and Electronic Systems Integration Inc.).
Key specifications for G128-323-001: Waveguide Flange Type: COVER; Overall Height: 1.313 INCHES NOMINAL IN; FSC Application Data: RADAR ANTENNA SUPPORT SET AND RADOMES,EXCEPT SPECIALLY DESIGNED; Mounting Hole/stud Quantity: 4. 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 5985-00-414-7882 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.