The Attenuator,fixed, cataloged under National Stock Number 5985-00-163-6540, 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5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-163-6540 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Surface Treatment | GOLD PLATED (USE AUA000) AND (MRC BRFC) AND NICKEL BODY |
| Application Design | TRANSMISSION LINE |
| Material | ALUMINUM BODY |
| Terminal Type and Quantity | 3 CONNECTOR |
| Coaxial Connector Series Designation | OSM |
| 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 |
|---|---|
| A30038 | 3/9 Design control — primary reference Crane Electronics, Inc |
| 247ASC1147-001 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5985-00-163-6540 is a Attenuator,fixed, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5905-01-573-9706. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-00-163-6540: Surface Treatment: GOLD PLATED (USE AUA000) AND (MRC BRFC) AND NICKEL BODY; Application Design: TRANSMISSION LINE; Material: ALUMINUM BODY; Terminal Type and Quantity: 3 CONNECTOR. 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.