The Attenuator,fixed, cataloged under National Stock Number 5985-01-506-6508, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-506-6508 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Mounting Hole/stud Quantity | 8 |
| Frequency Range | 0.000 HERTZ MINIMUM AND 5.000 GIGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Voltage Standing Wave Ratio | 1.10 AND 1.15 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | THREADED HOLE(S) |
| Rf Signal Attenuation in Decibels | 40.0 |
| Attenuation Accuracy in Decibels | -1.50 TO 1.50 |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN |
| Connection Type Per Function | FEMALE INPUT AND MALE OUTPUT |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 2.0 GIGAHERTZ AND +2.0 TO 5.0 GIGAHERTZ |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN |
| Application Design | TRANSMISSION LINE |
| Material | ALUMINUM ALLOY BODY |
| Temperature Sensitivity Attenuation in Decibels | 0.0004 |
| Unpackaged Unit Weight | 2.500 POUNDS LBS |
| Power Rating | 150.0 WATTS AVERAGE |
| Mounting Facility Thread Size and Series/type Designator | 6-32 UNIFIED NATIONAL COARSE (UNC) |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| Coaxial Connector Series Designation | N |
| 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 |
|---|---|
| 5985PL1581514 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 57-40-34 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-506-6508 is a Attenuator,fixed, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-506-6508: Overall Height: 3.150 INCHES MAXIMUM IN; Mounting Hole/stud Quantity: 8; Frequency Range: 0.000 HERTZ MINIMUM AND 5.000 GIGAHERTZ MAXIMUM; Body Style: RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES. 22 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.