The Attenuator,fixed, cataloged under National Stock Number 5985-01-239-4946, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-239-4946 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 12.000 GIGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Precious Material | GOLD AND SILVER |
| Voltage Standing Wave Ratio | 1.25 AND 1.50 |
| Input Impedance Rating in Ohms | 50.0 |
| Rf Signal Attenuation in Decibels | 6.0 |
| Material Document and Classification | QQ-C-530 COND A FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Surface Treatment | COPPER AND GOLD AND SILVER BODY |
| Precious Material and Location | HOUSING GOLD AND TAB SURFACES SILVER |
| Operating Temp Range | -55.0 TO 150.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 4.0 GIGAHERTZ AND +8.0 TO 12.0 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Material | COPPER AND COPPER ALLOY 170 AND COPPER ALLOY 172 BODY |
| Power Rating | 1.0 WATTS AVERAGE |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Output Impedance Rating in Ohms | 50.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A3KT29 | 3/9 Design control — primary reference Caes Systems Llc |
| 43381 | 5/9 Secondary reference Caes Systems Llc |
NSN 5985-01-239-4946 is a Attenuator,fixed, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-340-5379, 4730-01-341-7213. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-239-4946: Overall Height: 0.140 INCHES NOMINAL IN; Frequency Range: 0.000 HERTZ MINIMUM AND 12.000 GIGAHERTZ MAXIMUM; Body Style: RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES; Precious Material: GOLD AND SILVER. 16 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 5985-01-239-4946 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.