The Attenuator,fixed, cataloged under National Stock Number 5985-01-265-8138, 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 Scientific Components Corp Dba Mini-Circuits. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-265-8138 |
| Primary Part Number | MAT-1 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Scientific Components Corp Dba Mini-Circuits |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES AND RELATED EQUIP. |
| Frequency Range | 0.000 HERTZ MINIMUM AND 1500.000 MEGAHERTZ MAXIMUM |
| Center to Center Distance Between Second and Third Terminals | 0.100 INCHES NOMINAL IN |
| Body Style | RECTANGULAR, TERMINAL/TERMINALS ON ONE SURFACE |
| Attenuation Accuracy Reference Frequency | 1.5 GIGAHERTZ |
| Voltage Standing Wave Ratio | 1.30 AND 1.50 AND 1.70 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | TERMINAL |
| Rf Signal Attenuation in Decibels | 1.0 |
| Body Height | 0.240 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Attenuation Accuracy in Decibels | -0.30 TO 0.30 |
| Center to Center Distance Between First and Second Terminals | 0.100 INCHES NOMINAL IN |
| Surface Treatment | NICKEL AND TIN BODY |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 0.5 GIGAHERTZ AND +0.5 TO 1.0 GIGAHERTZ AND +1.0 TO 1.5 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Material | STEEL CORROSION RESISTING BODY |
| Unpackaged Unit Weight | 1.9 GRAMS G |
| Terminal Type and Quantity | 8 PIN |
| Output Impedance Rating in Ohms | 50.0 |
| Center to Center Distance Between Third and Fourth Terminals | 0.100 INCHES NOMINAL IN |
| 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 |
|---|---|
| MAT-1 | Scientific Components Corp Dba Mini-Circuits (USA) |
| Reference | Meaning |
|---|---|
| 012-109380-01 | 3/9 Design control — primary reference Itt Industries Inc Systems Div |
NSN 5985-01-265-8138 is a Attenuator,fixed, manufactured by Scientific Components Corp Dba Mini-Circuits, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-265-8138 has 1 manufacturer part number on file: MAT-1 (Scientific Components Corp Dba Mini-Circuits).
Key specifications for MAT-1: Overall Height: 0.380 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN; FSC Application Data: ANTENNAS,WAVEGUIDES AND RELATED EQUIP.; Frequency Range: 0.000 HERTZ MINIMUM AND 1500.000 MEGAHERTZ MAXIMUM; Center to Center Distance Between Second and Third Terminals: 0.100 INCHES NOMINAL IN. 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 5985-01-265-8138 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.