The Attenuator,fixed, cataloged under National Stock Number 5985-00-028-0630, 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 Raytheon E-Systems, Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-028-0630 |
| Primary Part Number | 3300-40025-1 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon E-Systems, Inc |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 100.000 MEGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 0.840 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.15 |
| Input Impedance Rating in Ohms | 75.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 3.0 |
| Attenuation Accuracy in Decibels | -0.30 TO 0.30 |
| Material Document and Classification | QQ-B-626,COMP 22,1/2 H FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Surface Treatment | PASSIVATE BODY |
| Connection Type Per Function | FEMALE OUTPUT AND MALE INPUT |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 100.0 MEGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Material | COPPER ALLOY 360 BODY |
| Power Rating | 0.5 WATTS AVERAGE |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 75.0 |
| Coaxial Connector Series Designation | SMA |
| 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 |
|---|---|
| 3300-40025-1 PRIMARY | Raytheon E-Systems, Inc (USA) |
| Reference | Meaning |
|---|---|
| KU89-17 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-028-0630 is a Attenuator,fixed, manufactured by Raytheon E-Systems, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-028-0630 has 1 manufacturer part number on file: 3300-40025-1 (Raytheon E-Systems, Inc).
Key specifications for 3300-40025-1: Frequency Range: 0.000 HERTZ MINIMUM AND 100.000 MEGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 0.840 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.15. 18 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.