The Attenuator,fixed, cataloged under National Stock Number 5985-01-331-5999, 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 Company Dba Raytheon Co. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-331-5999 |
| Primary Part Number | G454240-21 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR TERMINAL/TERMINALS ON THREE SURFACES |
| Precious Material | GOLD |
| Voltage Standing Wave Ratio | 1.30 |
| Input Impedance Rating in Ohms | 50.0 |
| Rf Signal Attenuation in Decibels | 1.0 |
| Attenuation Accuracy in Decibels | -0.20 TO 0.20 |
| Precious Material and Location | TAB SURFACE GOLD |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 4.0 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Power Rating | 1.0 WATTS AVERAGE AND 100.0 WATTS PEAK |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Output Impedance Rating in Ohms | 50.0 |
| 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 |
|---|---|
| G454240-21 | Raytheon Company (USA) |
| A3RR49-21 | Caes Systems Llc (USA) |
| G454240-21 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| G454240-21 | 5/9 Secondary reference Raytheon Company Div Corp |
| G454240-21 | 5/9 Secondary reference Smiths Interconnect Americas, Inc. |
| 60001055001 | 5/9 Secondary reference Smiths Interconnect Americas, Inc. |
NSN 5985-01-331-5999 is a Attenuator,fixed, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-331-5999 has 3 manufacturer part numbers on file: G454240-21 (Raytheon Company), A3RR49-21 (Caes Systems Llc), G454240-21 (Raytheon Company Dba Raytheon Co).
Key specifications for G454240-21: Overall Height: 0.055 INCHES MAXIMUM IN; Frequency Range: 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM; Body Style: RECTANGULAR TERMINAL/TERMINALS ON THREE SURFACES; Precious Material: GOLD. 13 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 5985-01-331-5999 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.