The Attenuator,fixed, cataloged under National Stock Number 5985-01-274-7908, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-274-7908 |
| Primary Part Number | 2915889-3 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Frequency Range | 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR TERMINAL/TERMINALS ON THREE SURFACES |
| Attenuation Accuracy Reference Frequency | 18.0 GIGAHERTZ |
| Precious Material | GOLD AND PLATINUM |
| Voltage Standing Wave Ratio | 1.30 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | TERMINAL |
| Rf Signal Attenuation in Decibels | 8.0 |
| Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Precious Material and Location | CONTACT SURFACES GOLD AND CONTACT SURFACES PLATINUM |
| Operating Temp Range | -55.0 TO 150.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 18.0 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Power Rating | 0.5 WATTS AVERAGE |
| Terminal Type and Quantity | 3 SURFACE CONTACT |
| Output Impedance Rating in Ohms | 50.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-274-7908 is a Attenuator,fixed, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-274-7908 has 2 manufacturer part numbers on file: 2915889-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), TS0308 (Smiths Interconnect Americas, Inc.).
Key specifications for 2915889-3: Overall Height: 0.030 INCHES MAXIMUM IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Frequency Range: 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM; Body Style: RECTANGULAR TERMINAL/TERMINALS ON THREE SURFACES. 17 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.