The Attenuator,fixed, cataloged under National Stock Number 5985-01-261-4009, 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 Trompeter Electronics, Inc.. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-261-4009 |
| Primary Part Number | TNA3-600 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Trompeter Electronics, Inc. |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 10.000 MEGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 0.570 INCHES NOMINAL IN |
| Precious Material | GOLD |
| Input Impedance Rating in Ohms | 600.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 3.0 |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE TERMINAL |
| Surface Treatment | NICKEL AND COPPER BODY |
| Surface Treatment | GOLD PLATED (USE AUA000) AND (MRC BRFC) AND NICKEL AND COPPER TERMINAL |
| Precious Material and Location | CENTER CONTACT SURFACES GOLD |
| Operating Temp Range | -37.0 TO 71.0 CELSIUS DEGC |
| Application Design | TRANSMISSION LINE |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY 172 AND COPPER ALLOY 173 TERMINAL |
| Power Rating | 0.5 WATTS AVERAGE |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 600.0 |
| Coaxial Connector Series Designation | BNC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TNA3-600 | Trompeter Electronics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| ST82D63-1 | 3/9 Design control — primary reference Lockheed Martin Corp |
NSN 5985-01-261-4009 is a Attenuator,fixed, manufactured by Trompeter Electronics, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-261-4009 has 1 manufacturer part number on file: TNA3-600 (Trompeter Electronics, Inc.).
Key specifications for TNA3-600: Frequency Range: 0.000 HERTZ MINIMUM AND 10.000 MEGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 0.570 INCHES NOMINAL IN; Precious Material: GOLD. 20 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 5985-01-261-4009 has DEMIL Code Q. 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.