The Attenuator,variable, cataloged under National Stock Number 5985-00-072-9287, 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 Semic Rf Electronic Gmbh. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-072-9287 |
| Primary Part Number | I1576LS |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Semic Rf Electronic Gmbh |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.4 |
| Waveguide Flange Type | CHOKE |
| Mounting Facility Type and Quantity | 2 TERMINAL |
| Frequency Range | 8.500 GIGAHERTZ MINIMUM AND 9.600 GIGAHERTZ MAXIMUM |
| Body Style | WAVEGUIDE TYPE |
| Adjustment Device Type and Quantity | 1 MOTOR |
| Overall Attenuation Range in Decibels | +25.0 TO 55.0 |
| Voltage Standing Wave Ratio | 1.65 |
| Waveguide Flange Designation | UG-40/BU |
| Attenuation Variation Method | CONTINUOUS |
| Operating Temp Range | -66.0 TO 125.0 CELSIUS DEGC |
| Application Design | WAVEGUIDE |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Power Rating | 20.0 WATTS AVERAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| I1576LS | Semic Rf Electronic Gmbh (DEU) |
| 13292 | Mercury Commercial Electronics, Inc. Dba Micronetics (USA) |
| Reference | Meaning |
|---|---|
| 580R153H02 | 3/2 Design control — primary reference U.S. Government activity |
| I1576LS | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-072-9287 is a Attenuator,variable, manufactured by Semic Rf Electronic Gmbh, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-072-9287 has 2 manufacturer part numbers on file: I1576LS (Semic Rf Electronic Gmbh), 13292 (Mercury Commercial Electronics, Inc. Dba Micronetics).
5 possible matches (shared part number, not a government interchangeability claim): 6130-00-609-2860, 5950-00-980-0463, 6840-01-393-7044. Verify interchangeability with system specifications before substitution.
Key specifications for I1576LS: Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.4; Waveguide Flange Type: CHOKE; Mounting Facility Type and Quantity: 2 TERMINAL; Overall Height: 2.030 INCHES NOMINAL IN. 14 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 5985-00-072-9287 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.