The Attenuator,variable, cataloged under National Stock Number 5985-01-243-3339, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-243-3339 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Overall Attenuation Range in Decibels | +0.0 TO 90.0 |
| Attenuation Per Step in Decibels | 10.0 |
| Attenuation Variation Method | STEPPED |
| Application Design | TRANSMISSION LINE |
| Step Position Quantity | 9 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 200-996-00 | 5/9 Secondary reference Trilithic, Inc. |
| RA-790 | 3/9 Design control — primary reference Trilithic, Inc. |
| 200-996 | C/1 Advisory reference — outside the item-of-supply concept Trilithic, Inc. |
NSN 5985-01-243-3339 is a Attenuator,variable, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-526-2941, 5331-01-699-0834. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-243-3339: Overall Attenuation Range in Decibels: +0.0 TO 90.0; Attenuation Per Step in Decibels: 10.0; Attenuation Variation Method: STEPPED; Application Design: TRANSMISSION LINE. 5 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.