The Attenuator,variable, cataloged under National Stock Number 5985-01-576-3227, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-576-3227 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 4.75 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 6 THREADED HOLE(S) |
| Mounting Thread Tolerance Class | 2B INTERNAL |
| Frequency Range | 0.000 HERTZ MINIMUM AND 2.000 GIGAHERTZ MAXIMUM |
| Body Style | IRREGULAR |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 88.9 MILLIMETERS MINIMUM AND 95.2 MILLIMETERS MAXIMUM MM |
| Overall Attenuation Range in Decibels | +0.0 TO 2.0 |
| Voltage Standing Wave Ratio | 1.30 AND 1.35 |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Attenuation Variation Method | STEPPED |
| Mounting Thread Quantity | 40 PER INCH |
| Body Material | ALUMINUM |
| Mounting Facility Nominal Screw Thread Diameter | 0.112 INCHES IN |
| Operating Temp Range | -55.0 TO 71.0 CELSIUS DEGC |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 19.0 MILLIMETERS NOMINAL MM |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE AND 7 SOLDER STUD |
| Power Rating | 1.0 WATTS AVERAGE |
| Step Position Quantity | 8 |
| Coaxial Connector Series Designation | SMA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3200-1-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-576-3227 is a Attenuator,variable, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5340-01-613-1560. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-576-3227: Insertion Loss at Minimum Attenuation in Maximum Decibels: 4.75; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 6 THREADED HOLE(S); Overall Height: 25.4 MILLIMETERS NOMINAL MM. 21 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 5985-01-576-3227 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.